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12902089310 = 2511179771129
BaseRepresentation
bin11000000010000011…
…00100001001011110
31020022011120001020122
430001001210021132
5202410413324220
65532132314542
7634503643505
oct140101441136
936264501218
1012902089310
115520990730
122600a72a52
1312a8010196
148a575d83c
15507a61425
hex30106425e

12902089310 has 64 divisors (see below), whose sum is σ = 27102237120. Its totient is φ = 4370104320.

The previous prime is 12902089307. The next prime is 12902089337. The reversal of 12902089310 is 1398020921.

It is a super-2 number, since 2×129020893102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145826 + ... + 216954.

It is an arithmetic number, because the mean of its divisors is an integer number (423472455).

Almost surely, 212902089310 is an apocalyptic number.

12902089310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12902089310 is an abundant number, since it is smaller than the sum of its proper divisors (14200147810).

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

12902089310 is a wasteful number, since it uses less digits than its factorization.

12902089310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71261.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 12902089310 in words is "twelve billion, nine hundred two million, eighty-nine thousand, three hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 97 110 170 187 194 374 485 935 970 1067 1649 1870 2134 3298 5335 8245 10670 16490 18139 36278 71129 90695 142258 181390 355645 711290 782419 1209193 1564838 2418386 3912095 6045965 6899513 7824190 12091930 13301123 13799026 26602246 34497565 66505615 68995130 75894643 117291721 133011230 151789286 234583442 379473215 586458605 758946430 1172917210 1290208931 2580417862 6451044655 12902089310