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70645164480 = 26325116783401
BaseRepresentation
bin100000111001011000…
…1111010100111000000
320202100101100012011100
41001302301322213000
52124140130230410
652242015014400
75050436663442
oct1016261724700
9222311305140
1070645164480
1127a62398760
1211836b0a400
13687acc7697
1435c2598492
151c870a08c0
hex1072c7a9c0

70645164480 has 672 divisors, whose sum is σ = 272956739328. Its totient is φ = 16625664000.

The previous prime is 70645164451. The next prime is 70645164533. The reversal of 70645164480 is 8446154607.

70645164480 is a `hidden beast` number, since 7 + 0 + 6 + 4 + 5 + 164 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176172280 + ... + 176172680.

It is an arithmetic number, because the mean of its divisors is an integer number (406185624).

Almost surely, 270645164480 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 70645164480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136478369664).

70645164480 is an abundant number, since it is smaller than the sum of its proper divisors (202311574848).

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

70645164480 is a wasteful number, since it uses less digits than its factorization.

70645164480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 70645164480 in words is "seventy billion, six hundred forty-five million, one hundred sixty-four thousand, four hundred eighty".