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30615441666102 = 232192913997220537
BaseRepresentation
bin1101111011000001101101…
…00001100111000000110110
311000101210210202202201122200
412331200312201213000312
513003100411031303402
6145040312330005330
76306615120263016
oct675406641470066
9130353722681580
1030615441666102
119833a3274a977
123525589576846
131411040285097
1477bb1c383c46
153815a060021c
hex1bd836867036

30615441666102 has 96 divisors (see below), whose sum is σ = 72237927621600. Its totient is φ = 9333944492544.

The previous prime is 30615441666077. The next prime is 30615441666133. The reversal of 30615441666102 is 20166614451603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138711978 + ... + 138932514.

It is an arithmetic number, because the mean of its divisors is an integer number (752478412725).

Almost surely, 230615441666102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30615441666102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36118963810800).

30615441666102 is an abundant number, since it is smaller than the sum of its proper divisors (41622485955498).

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

30615441666102 is a wasteful number, since it uses less digits than its factorization.

30615441666102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234590 (or 234587 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 30615441666102 in words is "thirty trillion, six hundred fifteen billion, four hundred forty-one million, six hundred sixty-six thousand, one hundred two".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 171 174 261 342 522 551 1102 1653 3306 4959 9918 13997 27994 41991 83982 125973 220537 251946 265943 405913 441074 531886 661611 797829 811826 1217739 1323222 1595658 1984833 2393487 2435478 3653217 3969666 4190203 4786974 6395573 7306434 7712347 8380406 12570609 12791146 15424694 19186719 23137041 25141218 37711827 38373438 46274082 57560157 69411123 75423654 115120314 121515887 138822246 243031774 364547661 729095322 1093642983 2187285966 3086856389 6173712778 9260569167 18521138334 27781707501 55563415002 58650271391 89518835281 117300542782 175950814173 179037670562 268556505843 351901628346 527852442519 537113011686 805669517529 1055704885038 1611339035058 1700857870339 3401715740678 5102573611017 10205147222034 15307720833051 30615441666102