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53213302445 = 527738421157
BaseRepresentation
bin110001100011110000…
…101000111010101101
312002100112012211220112
4301203300220322231
51332440101134240
640240145425405
73562450415312
oct614360507255
9162315184815
1053213302445
1120627581806
12a39103b265
1350306b8314
14280b3bcd09
1515b6a1e665
hexc63c28ead

53213302445 has 8 divisors (see below), whose sum is σ = 64086491544. Its totient is φ = 42416956224.

The previous prime is 53213302421. The next prime is 53213302487. The reversal of 53213302445 is 54420331235.

53213302445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3315571561 + 49897730884 = 57581^2 + 223378^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53213302445 - 28 = 53213302189 is a prime.

It is a Duffinian number.

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, 19209194 + ... + 19211963.

It is an arithmetic number, because the mean of its divisors is an integer number (8010811443).

Almost surely, 253213302445 is an apocalyptic number.

It is an amenable number.

53213302445 is a deficient number, since it is larger than the sum of its proper divisors (10873189099).

53213302445 is a wasteful number, since it uses less digits than its factorization.

53213302445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38421439.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 53213302445 in words is "fifty-three billion, two hundred thirteen million, three hundred two thousand, four hundred forty-five".

Divisors: 1 5 277 1385 38421157 192105785 10642660489 53213302445