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30347403684 = 223132291992593
BaseRepresentation
bin11100010000110110…
…001010000110100100
32220022221222211122020
4130100312022012210
5444122413404214
621535202103140
72123015450403
oct342066120644
986287884566
1030347403684
1111963355614
125a6b34aab0
132b2834c600
14167c63b63a
15bc939d4a9
hex710d8a1a4

30347403684 has 144 divisors (see below), whose sum is σ = 79749936000. Its totient is φ = 8966909952.

The previous prime is 30347403683. The next prime is 30347403701. The reversal of 30347403684 is 48630474303.

It is not an unprimeable number, because it can be changed into a prime (30347403683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11702292 + ... + 11704884.

It is an arithmetic number, because the mean of its divisors is an integer number (553819000).

Almost surely, 230347403684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30347403684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39874968000).

30347403684 is an abundant number, since it is smaller than the sum of its proper divisors (49402532316).

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

30347403684 is a wasteful number, since it uses less digits than its factorization.

30347403684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

Adding to 30347403684 its reverse (48630474303), we get a palindrome (78977877987).

The spelling of 30347403684 in words is "thirty billion, three hundred forty-seven million, four hundred three thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 78 87 116 156 169 174 199 338 348 377 398 507 597 676 754 796 1014 1131 1194 1508 2028 2262 2388 2587 2593 4524 4901 5174 5186 5771 7761 7779 9802 10348 10372 11542 14703 15522 15558 17313 19604 23084 29406 31044 31116 33631 33709 34626 58812 67262 67418 69252 75023 75197 100893 101127 134524 134836 150046 150394 201786 202254 225069 225591 300092 300788 403572 404508 438217 450138 451182 516007 876434 900276 902364 975299 977561 1032014 1314651 1548021 1752868 1950598 1955122 2064028 2629302 2925897 2932683 3096042 3901196 3910244 5258604 5851794 5865366 6192084 6708091 11703588 11730732 12708293 13416182 14964203 20124273 25416586 26832364 29928406 38124879 40248546 44892609 50833172 59856812 76249758 80497092 87205183 89785218 152499516 174410366 179570436 194534639 261615549 348820732 389069278 523231098 583603917 778138556 1046462196 1167207834 2334415668 2528950307 5057900614 7586850921 10115801228 15173701842 30347403684