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70670299392 = 283472116323
BaseRepresentation
bin100000111010001000…
…1110011000100000000
320202102010122011210000
41001310101303010000
52124213044040032
652244313440000
75051163430200
oct1016421630400
9222363564700
1070670299392
1127a755a5a10
1211843410000
136883288104
1435c5a5c400
151c893b7e7c
hex1074473100

70670299392 has 540 divisors, whose sum is σ = 267457162896. Its totient is φ = 18353018880.

The previous prime is 70670299321. The next prime is 70670299393. The reversal of 70670299392 is 29399207607.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (70670299393) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11173543 + ... + 11179865.

Almost surely, 270670299392 is an apocalyptic number.

70670299392 is a gapful number since it is divisible by the number (72) 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 70670299392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133728581448).

70670299392 is an abundant number, since it is smaller than the sum of its proper divisors (196786863504).

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

70670299392 is a wasteful number, since it uses less digits than its factorization.

70670299392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 70670299392 in words is "seventy billion, six hundred seventy million, two hundred ninety-nine thousand, three hundred ninety-two".