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29997922680152 = 2376742118990931
BaseRepresentation
bin1101101001000011011111…
…00001100111110101011000
310221012202212210211222100222
412310201233201213311120
512412441221201231102
6143444504435015212
76214164326433140
oct664415741476530
9127182783758328
1029997922680152
119616058343999
12344596b73a508
131397a3ac626cb
14759c9b525920
153704ac741aa2
hex1b486f867d58

29997922680152 has 64 divisors (see below), whose sum is σ = 65395654160640. Its totient is φ = 12634285910400.

The previous prime is 29997922680083. The next prime is 29997922680161. The reversal of 29997922680152 is 25108622979992.

It is a congruent number.

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, 7915874 + ... + 11075057.

It is an arithmetic number, because the mean of its divisors is an integer number (1021807096260).

Almost surely, 229997922680152 is an apocalyptic number.

It is an amenable number.

29997922680152 is an abundant number, since it is smaller than the sum of its proper divisors (35397731480488).

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

29997922680152 is a wasteful number, since it uses less digits than its factorization.

29997922680152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991432 (or 18991428 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 29997922680152 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-two million, six hundred eighty thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 421 469 536 842 938 1684 1876 2947 3368 3752 5894 11788 23576 28207 56414 112828 197449 225656 394898 789796 1579592 18990931 37981862 75963724 132936517 151927448 265873034 531746068 1063492136 1272392377 2544784754 5089569508 7995181951 8906746639 10179139016 15990363902 17813493278 31980727804 35626986556 55966273657 63961455608 71253973112 111932547314 223865094628 447730189256 535677190717 1071354381434 2142708762868 3749740335019 4285417525736 7499480670038 14998961340076 29997922680152