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70542752693 = 710077536099
BaseRepresentation
bin100000110110010101…
…1001111101110110101
320202002020122010121012
41001230223033232311
52123432421041233
652223520002005
75045054335010
oct1015453175665
9222066563535
1070542752693
1127a0a5aa216
1211808760305
136862a1b1aa
1435b2b3a377
151c7d0c1548
hex106cacfbb5

70542752693 has 4 divisors (see below), whose sum is σ = 80620288800. Its totient is φ = 60465216588.

The previous prime is 70542752659. The next prime is 70542752717. The reversal of 70542752693 is 39625724507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70542752693 - 220 = 70541704117 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 (70542722693) 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, 5038768043 + ... + 5038768056.

It is an arithmetic number, because the mean of its divisors is an integer number (20155072200).

Almost surely, 270542752693 is an apocalyptic number.

It is an amenable number.

70542752693 is a deficient number, since it is larger than the sum of its proper divisors (10077536107).

70542752693 is a wasteful number, since it uses less digits than its factorization.

70542752693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077536106.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 70542752693 in words is "seventy billion, five hundred forty-two million, seven hundred fifty-two thousand, six hundred ninety-three".

Divisors: 1 7 10077536099 70542752693