Search a number
-
+
154402352131 = 2953345729059
BaseRepresentation
bin1000111111001100011…
…0001110110000000011
3112202112120021011200111
42033303012032300003
510012204000232011
6154533110132151
714104143224056
oct2176306166003
9482476234614
10154402352131
115a5331144a5
1225b11051057
1311738656c51
14768a31ca9d
15403a330121
hex23f318ec03

154402352131 has 16 divisors (see below), whose sum is σ = 162792957600. Its totient is φ = 146217996288.

The previous prime is 154402352101. The next prime is 154402352177. The reversal of 154402352131 is 131253204451.

It is not a de Polignac number, because 154402352131 - 25 = 154402352099 is a prime.

It is a super-2 number, since 2×1544023521312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154402352093 and 154402352102.

It is not an unprimeable number, because it can be changed into a prime (154402352101) 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, 5298880 + ... + 5327938.

It is an arithmetic number, because the mean of its divisors is an integer number (10174559850).

Almost surely, 2154402352131 is an apocalyptic number.

154402352131 is a deficient number, since it is larger than the sum of its proper divisors (8390605469).

154402352131 is a wasteful number, since it uses less digits than its factorization.

154402352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32598.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 154402352131 its reverse (131253204451), we get a palindrome (285655556582).

The spelling of 154402352131 in words is "one hundred fifty-four billion, four hundred two million, three hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 29 53 1537 3457 29059 100253 183221 842711 1540127 5313409 44663683 100456963 2913251927 5324219039 154402352131