Search a number
-
+
70140254160 = 24351531190889
BaseRepresentation
bin100000101010010101…
…1110101011111010000
320201001012021002102010
41001110223311133100
52122121401113120
652115541022520
75032066215624
oct1012453653720
9221035232363
1070140254160
11278233880a9
12117159b4a40
1367ca513592
1435754c5184
151c57ab77e0
hex1054af57d0

70140254160 has 80 divisors (see below), whose sum is σ = 217577949120. Its totient is φ = 18691752960.

The previous prime is 70140254147. The next prime is 70140254167. The reversal of 70140254160 is 6145204107.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70140254167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271996 + ... + 462884.

It is an arithmetic number, because the mean of its divisors is an integer number (2719724364).

Almost surely, 270140254160 is an apocalyptic number.

It is an amenable number.

70140254160 is an abundant number, since it is smaller than the sum of its proper divisors (147437694960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70140254160 is a wasteful number, since it uses less digits than its factorization.

70140254160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192436 (or 192430 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 70140254160 its reverse (6145204107), we get a palindrome (76285458267).

The spelling of 70140254160 in words is "seventy billion, one hundred forty million, two hundred fifty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1531 3062 4593 6124 7655 9186 12248 15310 18372 22965 24496 30620 36744 45930 61240 73488 91860 122480 183720 190889 367440 381778 572667 763556 954445 1145334 1527112 1908890 2290668 2863335 3054224 3817780 4581336 5726670 7635560 9162672 11453340 15271120 22906680 45813360 292251059 584502118 876753177 1169004236 1461255295 1753506354 2338008472 2922510590 3507012708 4383765885 4676016944 5845021180 7014025416 8767531770 11690042360 14028050832 17535063540 23380084720 35070127080 70140254160