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10402012023 = 3132191079831
BaseRepresentation
bin10011011000000001…
…00001101101110111
3222211221012221221120
421230000201231313
5132300403341043
64440103115023
7515525433444
oct115400415567
928757187846
1010402012023
114458734657
122023742a73
13c9a084800
147096cc9cb
1540d31c983
hex26c021b77

10402012023 has 24 divisors (see below), whose sum is σ = 15808740480. Its totient is φ = 6064325280.

The previous prime is 10402012013. The next prime is 10402012031. The reversal of 10402012023 is 32021020401.

It is not a de Polignac number, because 10402012023 - 26 = 10402011959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10402011993 and 10402012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402012013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530283 + ... + 549548.

It is an arithmetic number, because the mean of its divisors is an integer number (658697520).

Almost surely, 210402012023 is an apocalyptic number.

10402012023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10402012023 is a deficient number, since it is larger than the sum of its proper divisors (5406728457).

10402012023 is a wasteful number, since it uses less digits than its factorization.

10402012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079879 (or 1079866 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10402012023 its reverse (32021020401), we get a palindrome (42423032424).

The spelling of 10402012023 in words is "ten billion, four hundred two million, twelve thousand, twenty-three".

Divisors: 1 3 13 19 39 57 169 247 507 741 3211 9633 1079831 3239493 14037803 20516789 42113409 61550367 182491439 266718257 547474317 800154771 3467337341 10402012023