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30168124157320 = 2351961364755139
BaseRepresentation
bin1101101110000000100000…
…10100101110110110001000
310221211001012102221212012121
412313000100110232312020
512423233304241013240
6144055013411221024
76232401145220242
oct667002024566610
9127731172855177
1030168124157320
119681258672916
12347294b8a7774
1313aaac3870246
14764205c47092
15374b1ead904a
hex1b701052ed88

30168124157320 has 64 divisors (see below), whose sum is σ = 71567380728000. Its totient is φ = 11413481603328.

The previous prime is 30168124157291. The next prime is 30168124157323. The reversal of 30168124157320 is 2375142186103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30168124157323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31911690 + ... + 32843449.

It is an arithmetic number, because the mean of its divisors is an integer number (1118240323875).

Almost surely, 230168124157320 is an apocalyptic number.

It is an amenable number.

30168124157320 is an abundant number, since it is smaller than the sum of its proper divisors (41399256570680).

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

30168124157320 is a wasteful number, since it uses less digits than its factorization.

30168124157320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64755782 (or 64755778 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 30168124157320 in words is "thirty trillion, one hundred sixty-eight billion, one hundred twenty-four million, one hundred fifty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 613 760 1226 2452 3065 4904 6130 11647 12260 23294 24520 46588 58235 93176 116470 232940 465880 64755139 129510278 259020556 323775695 518041112 647551390 1230347641 1295102780 2460695282 2590205560 4921390564 6151738205 9842781128 12303476410 24606952820 39694900207 49213905640 79389800414 158779600828 198474501035 317559201656 396949002070 754203103933 793898004140 1508406207866 1587796008280 3016812415732 3771015519665 6033624831464 7542031039330 15084062078660 30168124157320