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245307028512 = 253721331129401
BaseRepresentation
bin1110010001110101110…
…0000011010000100000
3212110011212110012111110
43210131130003100200
513004342044403022
6304405324543320
723502636224100
oct3443534032040
9773155405443
10245307028512
1195041471317
123b6609b1b40
131a194a1c2a0
14bc31433200
1565aad0e00c
hex391d703420

245307028512 has 288 divisors, whose sum is σ = 832711186944. Its totient is φ = 62608896000.

The previous prime is 245307028501. The next prime is 245307028523. The reversal of 245307028512 is 215820703542.

It is an interprime number because it is at equal distance from previous prime (245307028501) and next prime (245307028523).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1831012 + ... + 1960412.

It is an arithmetic number, because the mean of its divisors is an integer number (2891358288).

Almost surely, 2245307028512 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 245307028512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416355593472).

245307028512 is an abundant number, since it is smaller than the sum of its proper divisors (587404158432).

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

245307028512 is a wasteful number, since it uses less digits than its factorization.

245307028512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129472 (or 129457 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 245307028512 in words is "two hundred forty-five billion, three hundred seven million, twenty-eight thousand, five hundred twelve".