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30129453298 = 2723176471499
BaseRepresentation
bin11100000011110110…
…101111100011110010
32212202202212210220201
4130003312233203302
5443201120001143
621501414425414
72114431061500
oct340366574362
985682783821
1030129453298
111186132222a
125a0a36226a
132ac214ba99
14165b705670
15bb519a64d
hex703daf8f2

30129453298 has 48 divisors (see below), whose sum is σ = 52855416000. Its totient is φ = 12843420576.

The previous prime is 30129453269. The next prime is 30129453331. The reversal of 30129453298 is 89235492103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20098953 + ... + 20100451.

It is an arithmetic number, because the mean of its divisors is an integer number (1101154500).

Almost surely, 230129453298 is an apocalyptic number.

30129453298 is a deficient number, since it is larger than the sum of its proper divisors (22725962702).

30129453298 is a wasteful number, since it uses less digits than its factorization.

30129453298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 30129453298 in words is "thirty billion, one hundred twenty-nine million, four hundred fifty-three thousand, two hundred ninety-eight".

Divisors: 1 2 7 14 49 98 317 634 647 1294 1499 2219 2998 4438 4529 9058 10493 15533 20986 31066 31703 63406 73451 146902 205099 410198 475183 950366 969853 1435693 1939706 2871386 3326281 6652562 6788971 10049851 13577942 20099702 23283967 46567934 47522797 95045594 307443401 614886802 2152103807 4304207614 15064726649 30129453298