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70511980000 = 2554721131211
BaseRepresentation
bin100000110101011010…
…1110110110111100000
320202000002201201101211
41001222311312313200
52123402031330000
652220500235504
75044231640500
oct1015265666740
9222002651354
1070511980000
11279a41a1240
12117ba39bb94
1368595355b7
1435aca09a00
151c7a5437ba
hex106ad76de0

70511980000 has 720 divisors, whose sum is σ = 228314515968. Its totient is φ = 21168000000.

The previous prime is 70511979943. The next prime is 70511980051. The reversal of 70511980000 is 8911507.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 334179895 + ... + 334180105.

Almost surely, 270511980000 is an apocalyptic number.

70511980000 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 70511980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114157257984).

70511980000 is an abundant number, since it is smaller than the sum of its proper divisors (157802535968).

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

70511980000 is a wasteful number, since it uses less digits than its factorization.

70511980000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 70511980000 in words is "seventy billion, five hundred eleven million, nine hundred eighty thousand".