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13451731700 = 22521123531689
BaseRepresentation
bin11001000011100100…
…10010001011110100
31021201110210202212012
430201302102023310
5210022120403300
610102445143352
7654226555451
oct144162221364
937643722765
1013451731700
115783174140
122734b5ab58
131364b56974
14918758828
1553ae33435
hex321c922f4

13451731700 has 72 divisors (see below), whose sum is σ = 33228498240. Its totient is φ = 4678854400.

The previous prime is 13451731687. The next prime is 13451731703. The reversal of 13451731700 is 713715431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451731703) 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, 240545 + ... + 291144.

It is an arithmetic number, because the mean of its divisors is an integer number (461506920).

Almost surely, 213451731700 is an apocalyptic number.

13451731700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13451731700 is an abundant number, since it is smaller than the sum of its proper divisors (19776766540).

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

13451731700 is a wasteful number, since it uses less digits than its factorization.

13451731700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531737 (or 531730 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 13451731700 in words is "thirteen billion, four hundred fifty-one million, seven hundred thirty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 230 253 275 460 506 550 575 1012 1100 1150 1265 2300 2530 5060 6325 12650 25300 531689 1063378 2126756 2658445 5316890 5848579 10633780 11697158 12228847 13292225 23394316 24457694 26584450 29242895 48915388 53168900 58485790 61144235 116971580 122288470 134517317 146214475 244576940 269034634 292428950 305721175 538069268 584857900 611442350 672586585 1222884700 1345173170 2690346340 3362932925 6725865850 13451731700