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31992000003 = 354117917939
BaseRepresentation
bin11101110010110111…
…110010111000000011
310001120120120222200000
4131302313302320003
51011004423000003
622410311331043
72211535341015
oct356267627003
9101516528600
1031992000003
1112627717127
12624a080a83
13302ac9b022
141796c201b5
15c7395b1a3
hex772df2e03

31992000003 has 48 divisors (see below), whose sum is σ = 49368009600. Its totient is φ = 20690406720.

The previous prime is 31991999971. The next prime is 31992000011. The reversal of 31992000003 is 30000029913.

It is not a de Polignac number, because 31992000003 - 25 = 31991999971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31992000203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1774408 + ... + 1792346.

It is an arithmetic number, because the mean of its divisors is an integer number (1028500200).

Almost surely, 231992000003 is an apocalyptic number.

31992000003 is a deficient number, since it is larger than the sum of its proper divisors (17376009597).

31992000003 is a wasteful number, since it uses less digits than its factorization.

31992000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174 (or 18162 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

Adding to 31992000003 its reverse (30000029913), we get a palindrome (61992029916).

The spelling of 31992000003 in words is "thirty-one billion, nine hundred ninety-two million, three", and thus it is an aban number.

Divisors: 1 3 9 27 41 81 123 179 243 369 537 1107 1611 3321 4833 7339 9963 14499 17939 22017 43497 53817 66051 161451 198153 484353 594459 735499 1453059 1783377 2206497 3211081 4359177 6619491 9633243 19858473 28899729 59575419 86699187 131654321 178726257 260097561 394962963 780292683 1184888889 3554666667 10664000001 31992000003