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30626456136 = 2331967163281
BaseRepresentation
bin11100100001011110…
…101010001001001000
32221001102002011122020
4130201132222021020
51000210333044021
622023011124440
72132644403403
oct344136521110
987042064566
1030626456136
1111a96921881
125b288a3720
132b710c48c3
1416a771ad3a
15be3b207c6
hex7217aa248

30626456136 has 32 divisors (see below), whose sum is σ = 80595938400. Its totient is φ = 9671512320.

The previous prime is 30626456099. The next prime is 30626456137. The reversal of 30626456136 is 63165462603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30626456137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33581185 + ... + 33582096.

It is an arithmetic number, because the mean of its divisors is an integer number (2518623075).

Almost surely, 230626456136 is an apocalyptic number.

It is an amenable number.

30626456136 is an abundant number, since it is smaller than the sum of its proper divisors (49969482264).

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

30626456136 is a wasteful number, since it uses less digits than its factorization.

30626456136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67163309 (or 67163305 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 30626456136 in words is "thirty billion, six hundred twenty-six million, four hundred fifty-six thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 67163281 134326562 201489843 268653124 402979686 537306248 805959372 1276102339 1611918744 2552204678 3828307017 5104409356 7656614034 10208818712 15313228068 30626456136