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70997373408 = 2531359964219
BaseRepresentation
bin100001000011111000…
…1011111000111100000
320210020221002020222110
41002013301133013200
52130400311422113
652341000035320
75062244500563
oct1020761370740
9223227066873
1070997373408
1128123191515
1211914a62b40
136905c75130
14361727c4da
151ca7e73bc3
hex1087c5f1e0

70997373408 has 96 divisors (see below), whose sum is σ = 204106089600. Its totient is φ = 21475063296.

The previous prime is 70997373371. The next prime is 70997373437. The reversal of 70997373408 is 80437379907.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408478 + ... + 555741.

It is an arithmetic number, because the mean of its divisors is an integer number (2126105100).

Almost surely, 270997373408 is an apocalyptic number.

70997373408 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

70997373408 is an abundant number, since it is smaller than the sum of its proper divisors (133108716192).

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

70997373408 is a wasteful number, since it uses less digits than its factorization.

70997373408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964304 (or 964296 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 70997373408 in words is "seventy billion, nine hundred ninety-seven million, three hundred seventy-three thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 59 78 96 104 118 156 177 208 236 312 354 416 472 624 708 767 944 1248 1416 1534 1888 2301 2832 3068 4602 5664 6136 9204 12272 18408 24544 36816 73632 964219 1928438 2892657 3856876 5785314 7713752 11570628 12534847 15427504 23141256 25069694 30855008 37604541 46282512 50139388 56888921 75209082 92565024 100278776 113777842 150418164 170666763 200557552 227555684 300836328 341333526 401115104 455111368 601672656 682667052 739555973 910222736 1203345312 1365334104 1479111946 1820445472 2218667919 2730668208 2958223892 4437335838 5461336416 5916447784 8874671676 11832895568 17749343352 23665791136 35498686704 70997373408