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70645635060 = 22357111310710993
BaseRepresentation
bin100000111001011001…
…1101101011111110100
320202100102020002200020
41001302303231133310
52124140240310220
652242033045140
75050443663420
oct1016263553764
9222312202606
1070645635060
1127a6268a270
12118370b67b0
13687b130930
1435c267bb80
151c87145040
hex1072ced7f4

70645635060 has 384 divisors, whose sum is σ = 268094582784. Its totient is φ = 13422551040.

The previous prime is 70645635059. The next prime is 70645635079. The reversal of 70645635060 is 6053654607.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6420924 + ... + 6431916.

It is an arithmetic number, because the mean of its divisors is an integer number (698162976).

Almost surely, 270645635060 is an apocalyptic number.

70645635060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70645635060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134047291392).

70645635060 is an abundant number, since it is smaller than the sum of its proper divisors (197448947724).

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

70645635060 is a wasteful number, since it uses less digits than its factorization.

70645635060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143 (or 11141 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 70645635060 in words is "seventy billion, six hundred forty-five million, six hundred thirty-five thousand, sixty".