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55152306420 = 2235919205107
BaseRepresentation
bin110011010111010101…
…010110100011110100
312021100122210110022120
4303113111112203310
51400422442301140
641200413155540
73661503604161
oct632725264364
9167318713276
1055152306420
1121432048132
12a83248bbb0
13527c327253
142952b1b068
15167bd841d0
hexcd75568f4

55152306420 has 24 divisors (see below), whose sum is σ = 154426458144. Its totient is φ = 14707281696.

The previous prime is 55152306413. The next prime is 55152306499. The reversal of 55152306420 is 2460325155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459602494 + ... + 459602613.

It is an arithmetic number, because the mean of its divisors is an integer number (6434435756).

Almost surely, 255152306420 is an apocalyptic number.

It is an amenable number.

55152306420 is an abundant number, since it is smaller than the sum of its proper divisors (99274151724).

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

55152306420 is a wasteful number, since it uses less digits than its factorization.

55152306420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919205119 (or 919205117 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 55152306420 in words is "fifty-five billion, one hundred fifty-two million, three hundred six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 919205107 1838410214 2757615321 3676820428 4596025535 5515230642 9192051070 11030461284 13788076605 18384102140 27576153210 55152306420