Search a number
-
+
1012012213 = 23734391373
BaseRepresentation
bin111100010100100…
…001010010110101
32121112021112202211
4330110201102311
54033033342323
6244230533421
734035650632
oct7424412265
92545245684
101012012213
1147a288833
12242b07271
131318848c4
1498597189
155dca570d
hex3c5214b5

1012012213 has 16 divisors (see below), whose sum is σ = 1073698560. Its totient is φ = 951882624.

The previous prime is 1012012201. The next prime is 1012012229. The reversal of 1012012213 is 3122102101.

It is not a de Polignac number, because 1012012213 - 29 = 1012011701 is a prime.

It is a super-2 number, since 2×10120122132 = 2048337438522314738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012012193 and 1012012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012012273) 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, 736395 + ... + 737767.

It is an arithmetic number, because the mean of its divisors is an integer number (67106160).

Almost surely, 21012012213 is an apocalyptic number.

It is an amenable number.

1012012213 is a deficient number, since it is larger than the sum of its proper divisors (61686347).

1012012213 is a wasteful number, since it uses less digits than its factorization.

1012012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1012012213 is about 31812.1393967775. The cubic root of 1012012213 is about 1003.9881445588.

Adding to 1012012213 its reverse (3122102101), we get a palindrome (4134114314).

The spelling of 1012012213 in words is "one billion, twelve million, twelve thousand, two hundred thirteen".

Divisors: 1 23 73 439 1373 1679 10097 31579 32047 100229 602747 737081 2305267 13863181 44000531 1012012213