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50712201620 = 2252535610081
BaseRepresentation
bin101111001110101011…
…101100100110010100
311211220012221202120122
4233032223230212110
51312324310422440
635144042251112
73443460413213
oct571653544624
9154805852518
1050712201620
111a563796733
1299b34b6a98
134a22491ac2
14265116307a
1514bc1777b5
hexbceaec994

50712201620 has 12 divisors (see below), whose sum is σ = 106495623444. Its totient is φ = 20284880640.

The previous prime is 50712201599. The next prime is 50712201641. The reversal of 50712201620 is 2610221705.

It is an interprime number because it is at equal distance from previous prime (50712201599) and next prime (50712201641).

It can be written as a sum of positive squares in 2 ways, for example, as 6914920336 + 43797281284 = 83156^2 + 209278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50712201620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267805021 + ... + 1267805060.

It is an arithmetic number, because the mean of its divisors is an integer number (8874635287).

Almost surely, 250712201620 is an apocalyptic number.

It is an amenable number.

50712201620 is an abundant number, since it is smaller than the sum of its proper divisors (55783421824).

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

50712201620 is a wasteful number, since it uses less digits than its factorization.

50712201620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535610090 (or 2535610088 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 50712201620 in words is "fifty billion, seven hundred twelve million, two hundred one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 2535610081 5071220162 10142440324 12678050405 25356100810 50712201620