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70093900800 = 2103452711439
BaseRepresentation
bin100000101000111101…
…1000000110000000000
320200220222001002120000
41001101323000300000
52122023014311200
652111203320000
75030664216630
oct1012173006000
9220828032500
1070093900800
11277aa1a8140
1211702380000
1367c0a33c61
14356d29a6c0
151c539ad300
hex1051ec0c00

70093900800 has 1320 divisors, whose sum is σ = 324331265280. Its totient is φ = 14531788800.

The previous prime is 70093900783. The next prime is 70093900841. The reversal of 70093900800 is 800939007.

It is a tau number, because it is divible by the number of its divisors (1320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 159666981 + ... + 159667419.

It is an arithmetic number, because the mean of its divisors is an integer number (245705504).

Almost surely, 270093900800 is an apocalyptic number.

70093900800 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 70093900800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162165632640).

70093900800 is an abundant number, since it is smaller than the sum of its proper divisors (254237364480).

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

70093900800 is a wasteful number, since it uses less digits than its factorization.

70093900800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 70093900800 in words is "seventy billion, ninety-three million, nine hundred thousand, eight hundred".