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10232012142 = 23211471099507
BaseRepresentation
bin10011000011110000…
…00001110101101110
3222102002100001221200
421201320001311232
5131423343342032
64411151310330
7511362445122
oct114170016556
928362301850
1010232012142
114380782190
121b9681b3a6
13c70aa2571
146d0cb9582
153ed43c47c
hex261e01d6e

10232012142 has 48 divisors (see below), whose sum is σ = 24699347712. Its totient is φ = 3034636560.

The previous prime is 10232012123. The next prime is 10232012177. The reversal of 10232012142 is 24121023201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540448 + ... + 559059.

It is an arithmetic number, because the mean of its divisors is an integer number (514569744).

Almost surely, 210232012142 is an apocalyptic number.

10232012142 is an abundant number, since it is smaller than the sum of its proper divisors (14467335570).

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

10232012142 is a wasteful number, since it uses less digits than its factorization.

10232012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099573 (or 1099570 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10232012142 its reverse (24121023201), we get a palindrome (34353035343).

The spelling of 10232012142 in words is "ten billion, two hundred thirty-two million, twelve thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 47 66 94 99 141 198 282 423 517 846 1034 1551 3102 4653 9306 1099507 2199014 3298521 6597042 9895563 12094577 19791126 24189154 36283731 51676829 72567462 103353658 108851193 155030487 217702386 310060974 465091461 568445119 930182922 1136890238 1705335357 3410670714 5116006071 10232012142