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70050287653 = 141534949501
BaseRepresentation
bin100000100111101010…
…0101001000000100101
320200210220222022120021
41001033110221000211
52121430333201103
652103004435141
75026624422613
oct1011724510045
9220726868507
1070050287653
1127787619a15
12116ab848ab1
1367b49a3968
1435675866b3
151c4ec45bbd
hex104f529025

70050287653 has 4 divisors (see below), whose sum is σ = 70055251308. Its totient is φ = 70045324000.

The previous prime is 70050287639. The next prime is 70050287683. The reversal of 70050287653 is 35678205007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32420883364 + 37629404289 = 180058^2 + 193983^2 .

It is a cyclic number.

It is not a de Polignac number, because 70050287653 - 25 = 70050287621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70050287603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460598 + ... + 2488903.

It is an arithmetic number, because the mean of its divisors is an integer number (17513812827).

Almost surely, 270050287653 is an apocalyptic number.

It is an amenable number.

70050287653 is a deficient number, since it is larger than the sum of its proper divisors (4963655).

70050287653 is a wasteful number, since it uses less digits than its factorization.

70050287653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963654.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 70050287653 in words is "seventy billion, fifty million, two hundred eighty-seven thousand, six hundred fifty-three".

Divisors: 1 14153 4949501 70050287653