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10302132012 = 223858511001
BaseRepresentation
bin10011001100000111…
…00000111100101100
3222120222021112022220
421212003200330230
5132044321211022
64422134235340
7513203451204
oct114603407454
928528245286
1010302132012
114407315297
121bb61b5b50
13c82483803
146da32d404
1540468d85c
hex2660e0f2c

10302132012 has 12 divisors (see below), whose sum is σ = 24038308056. Its totient is φ = 3434044000.

The previous prime is 10302131989. The next prime is 10302132017. The reversal of 10302132012 is 21023120301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×103021320122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302131982 and 10302132000.

It is not an unprimeable number, because it can be changed into a prime (10302132017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429255489 + ... + 429255512.

It is an arithmetic number, because the mean of its divisors is an integer number (2003192338).

Almost surely, 210302132012 is an apocalyptic number.

10302132012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10302132012 is an abundant number, since it is smaller than the sum of its proper divisors (13736176044).

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

10302132012 is a wasteful number, since it uses less digits than its factorization.

10302132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858511008 (or 858511006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10302132012 its reverse (21023120301), we get a palindrome (31325252313).

The spelling of 10302132012 in words is "ten billion, three hundred two million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 858511001 1717022002 2575533003 3434044004 5151066006 10302132012