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172031950608 = 2437975278349
BaseRepresentation
bin1010000000110111100…
…1110011111100010000
3121110001012110120100020
42200031321303330100
510304310134404413
6211010321423440
715300053311260
oct2401571637420
9543035416306
10172031950608
1166a5a6077a1
122941119ab80
13132b7c0a21b
14847d88b7a0
15471ce1ec23
hex280de73f10

172031950608 has 80 divisors (see below), whose sum is σ = 513140073600. Its totient is φ = 48645255168.

The previous prime is 172031950589. The next prime is 172031950613. The reversal of 172031950608 is 806059130271.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 172031950608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606583 + ... + 2671766.

It is an arithmetic number, because the mean of its divisors is an integer number (6414250920).

Almost surely, 2172031950608 is an apocalyptic number.

It is an amenable number.

172031950608 is an abundant number, since it is smaller than the sum of its proper divisors (341108122992).

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

172031950608 is a wasteful number, since it uses less digits than its factorization.

172031950608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278464 (or 5278458 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 172031950608 in words is "one hundred seventy-two billion, thirty-one million, nine hundred fifty thousand, six hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 97 112 168 194 291 336 388 582 679 776 1164 1358 1552 2037 2328 2716 4074 4656 5432 8148 10864 16296 32592 5278349 10556698 15835047 21113396 31670094 36948443 42226792 63340188 73896886 84453584 110845329 126680376 147793772 221690658 253360752 295587544 443381316 511999853 591175088 886762632 1023999706 1535999559 1773525264 2047999412 3071999118 3583998971 4095998824 6143998236 7167997942 8191997648 10751996913 12287996472 14335995884 21503993826 24575992944 28671991768 43007987652 57343983536 86015975304 172031950608