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30265680503 = 4710122728087
BaseRepresentation
bin11100001011111110…
…011010001001110111
32220010021012212111202
4130023332122021313
5443441003234003
621523122323115
72121004016402
oct341376321167
986107185452
1030265680503
11119212077a3
125a47ab949b
132b14437ab6
141671846d39
15bc2109088
hex70bf9a277

30265680503 has 16 divisors (see below), whose sum is σ = 31354297344. Its totient is φ = 29198205600.

The previous prime is 30265680493. The next prime is 30265680521. The reversal of 30265680503 is 30508656203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30265680503 - 224 = 30248903287 is a prime.

It is a super-2 number, since 2×302656805032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268680503) 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, 1063526 + ... + 1091612.

It is an arithmetic number, because the mean of its divisors is an integer number (1959643584).

Almost surely, 230265680503 is an apocalyptic number.

30265680503 is a deficient number, since it is larger than the sum of its proper divisors (1088616841).

30265680503 is a wasteful number, since it uses less digits than its factorization.

30265680503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28462.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 30265680503 in words is "thirty billion, two hundred sixty-five million, six hundred eighty thousand, five hundred three".

Divisors: 1 47 101 227 4747 10669 22927 28087 1077569 1320089 2836787 6375749 133328989 299660203 643950649 30265680503