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70345966080 = 293513283653
BaseRepresentation
bin100000110000011110…
…0100100001000000000
320201120112100100010010
41001200330210020000
52123032031403310
652152210104520
75040144563055
oct1014074441000
9221515310103
1070345966080
1127919511555
121177287b140
13683101a700
14359495302c
151c6ab9e320
hex1060f24200

70345966080 has 480 divisors, whose sum is σ = 246828326976. Its totient is φ = 17081106432.

The previous prime is 70345966079. The next prime is 70345966091. The reversal of 70345966080 is 8066954307.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107727034 + ... + 107727686.

Almost surely, 270345966080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70345966080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123414163488).

70345966080 is an abundant number, since it is smaller than the sum of its proper divisors (176482360896).

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

70345966080 is a wasteful number, since it uses less digits than its factorization.

70345966080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 70345966080 in words is "seventy billion, three hundred forty-five million, nine hundred sixty-six thousand, eighty".