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30126266881265 = 5415910597136711
BaseRepresentation
bin1101101100110010100010…
…11011111001010011110001
310221200001011100002220221002
412312121101123321103301
512422042043310200030
6144023452124411345
76226356656231402
oct666312133712361
9127601140086832
1030126266881265
11966552929a895
1234668099a6b55
1313a6b82a95789
14762194b339a9
153739c0033245
hex1b66516f94f1

30126266881265 has 16 divisors (see below), whose sum is σ = 36163889448960. Its totient is φ = 24092768589120.

The previous prime is 30126266881259. The next prime is 30126266881267. The reversal of 30126266881265 is 56218866262103.

It is a happy number.

It is not a de Polignac number, because 30126266881265 - 212 = 30126266877169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30126266881265.

It is not an unprimeable number, because it can be changed into a prime (30126266881267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220296260 + ... + 220432970.

It is an arithmetic number, because the mean of its divisors is an integer number (2260243090560).

Almost surely, 230126266881265 is an apocalyptic number.

It is an amenable number.

30126266881265 is a deficient number, since it is larger than the sum of its proper divisors (6037622567695).

30126266881265 is a wasteful number, since it uses less digits than its factorization.

30126266881265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151472.

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 30126266881265 in words is "thirty trillion, one hundred twenty-six billion, two hundred sixty-six million, eight hundred eighty-one thousand, two hundred sixty-five".

Divisors: 1 5 4159 10597 20795 52985 136711 683555 44072923 220364615 568581049 1448726467 2842905245 7243632335 6025253376253 30126266881265