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70808297472 = 213341189109
BaseRepresentation
bin100000111110010000…
…0001110000000000000
320202202202022012120000
41001330200032000000
52130003411004342
652310123320000
75054460412023
oct1017440160000
9222682265500
1070808297472
112803648aa10
1211881680000
1368a5a44193
1435da1011ba
151c9657644c
hex107c80e000

70808297472 has 560 divisors, whose sum is σ = 235502348400. Its totient is φ = 21021327360.

The previous prime is 70808297459. The next prime is 70808297491. The reversal of 70808297472 is 27479280807.

70808297472 is a `hidden beast` number, since 7 + 0 + 8 + 0 + 82 + 97 + 472 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 649617354 + ... + 649617462.

Almost surely, 270808297472 is an apocalyptic number.

70808297472 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 70808297472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117751174200).

70808297472 is an abundant number, since it is smaller than the sum of its proper divisors (164694050928).

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

70808297472 is a wasteful number, since it uses less digits than its factorization.

70808297472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 70808297472 in words is "seventy billion, eight hundred eight million, two hundred ninety-seven thousand, four hundred seventy-two".