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70746948685 = 5719313431819
BaseRepresentation
bin100000111100011011…
…0001100010001001101
320202121110212100211201
41001320312030101031
52124342204324220
652300052345501
75053114066420
oct1017066142115
9222543770751
1070746948685
1128004898736
1211865015291
13689611431a
1435d1cd19b7
151c90ea8d0a
hex1078d8c44d

70746948685 has 32 divisors (see below), whose sum is σ = 105425510400. Its totient is φ = 44476361280.

The previous prime is 70746948683. The next prime is 70746948707. The reversal of 70746948685 is 58684964707.

It is not a de Polignac number, because 70746948685 - 21 = 70746948683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70746948683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695295 + ... + 1736524.

It is an arithmetic number, because the mean of its divisors is an integer number (3294547200).

Almost surely, 270746948685 is an apocalyptic number.

It is an amenable number.

70746948685 is a deficient number, since it is larger than the sum of its proper divisors (34678561715).

70746948685 is a wasteful number, since it uses less digits than its factorization.

70746948685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431881.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 70746948685 in words is "seventy billion, seven hundred forty-six million, nine hundred forty-eight thousand, six hundred eighty-five".

Divisors: 1 5 7 19 31 35 95 133 155 217 589 665 1085 2945 4123 20615 3431819 17159095 24022733 65204561 106386389 120113665 326022805 456431927 531931945 744704723 2021341391 2282159635 3723523615 10106706955 14149389737 70746948685