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70549249760 = 25511375320441
BaseRepresentation
bin100000110110100010…
…0000001111011100000
320202002200212012220022
41001231010001323200
52123441101443020
652224311133012
75045163504623
oct1015504017340
9222080765808
1070549249760
1127a132375a0
121180a974168
136864184502
1435b394bdba
151c7d956625
hex106d101ee0

70549249760 has 192 divisors, whose sum is σ = 190271519424. Its totient is φ = 24488755200.

The previous prime is 70549249753. The next prime is 70549249777. The reversal of 70549249760 is 6794294507.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3441140 + ... + 3461580.

It is an arithmetic number, because the mean of its divisors is an integer number (990997497).

Almost surely, 270549249760 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 70549249760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95135759712).

70549249760 is an abundant number, since it is smaller than the sum of its proper divisors (119722269664).

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

70549249760 is a wasteful number, since it uses less digits than its factorization.

70549249760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20557 (or 20549 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 70549249760 in words is "seventy billion, five hundred forty-nine million, two hundred forty-nine thousand, seven hundred sixty".