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70005025218 = 2323414983983
BaseRepresentation
bin100000100110010011…
…1111110100111000010
320200200202210202011210
41001030213332213002
52121332241301333
652054310350550
75025534616302
oct1011447764702
9220622722153
1070005025218
1127764014647
121169865b456
1367a84b6a5b
143561563602
151c4aca4a63
hex104c9fe9c2

70005025218 has 16 divisors (see below), whose sum is σ = 140069886336. Its totient is φ = 23325035760.

The previous prime is 70005025193. The next prime is 70005025219. The reversal of 70005025218 is 81252050007.

It is not an unprimeable number, because it can be changed into a prime (70005025219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2477946 + ... + 2506037.

It is an arithmetic number, because the mean of its divisors is an integer number (8754367896).

Almost surely, 270005025218 is an apocalyptic number.

70005025218 is an abundant number, since it is smaller than the sum of its proper divisors (70064861118).

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

70005025218 is a wasteful number, since it uses less digits than its factorization.

70005025218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986329.

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 70005025218 in words is "seventy billion, five million, twenty-five thousand, two hundred eighteen".

Divisors: 1 2 3 6 2341 4682 7023 14046 4983983 9967966 14951949 29903898 11667504203 23335008406 35002512609 70005025218