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30285775785864 = 23319550611206229
BaseRepresentation
bin1101110001011011101001…
…11010000100111110001000
310222020021212210020211200110
412320231310322010332020
512432200232100121424
6144225032054034320
76244034520445524
oct670556472047610
9128207783224613
1030285775785864
119717141978785
1234917050489a0
1313b8c233773b1
14769ba732cd84
15377c08815c29
hex1b8b74e84f88

30285775785864 has 64 divisors (see below), whose sum is σ = 79700923512000. Its totient is φ = 9563747569920.

The previous prime is 30285775785829. The next prime is 30285775785887. The reversal of 30285775785864 is 46858757758203.

It is a super-3 number, since 3×302857757858643 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24504702 + ... + 25710930.

It is an arithmetic number, because the mean of its divisors is an integer number (1245326929875).

Almost surely, 230285775785864 is an apocalyptic number.

It is an amenable number.

30285775785864 is an abundant number, since it is smaller than the sum of its proper divisors (49415147726136).

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

30285775785864 is a wasteful number, since it uses less digits than its factorization.

30285775785864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261318 (or 1261314 counting only the distinct ones).

The product of its (nonzero) digits is 3161088000, while the sum is 75.

The spelling of 30285775785864 in words is "thirty trillion, two hundred eighty-five billion, seven hundred seventy-five million, seven hundred eighty-five thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 55061 110122 165183 220244 330366 440488 660732 1046159 1206229 1321464 2092318 2412458 3138477 3618687 4184636 4824916 6276954 7237374 8369272 9649832 12553908 14474748 22918351 25107816 28949496 45836702 68755053 91673404 137510106 183346808 275020212 550040424 66416174969 132832349938 199248524907 265664699876 398497049814 531329399752 796994099628 1261907324411 1593988199256 2523814648822 3785721973233 5047629297644 7571443946466 10095258595288 15142887892932 30285775785864