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8198070069920 = 255163731299901
BaseRepresentation
bin111011101001100001100…
…0011011110101010100000
31002000201122121011110222212
41313103003003132222200
52033304121414214140
625234050313021252
71504201550556023
oct167230303365240
932021577143885
108198070069920
1126808669163a5
12b04a110b4828
134760c8130573
14204b083051ba
15e33b5c68765
hex774c30deaa0

8198070069920 has 48 divisors (see below), whose sum is σ = 19379772521928. Its totient is φ = 3277224729600.

The previous prime is 8198070069869. The next prime is 8198070069947. The reversal of 8198070069920 is 299600708918.

It can be written as a sum of positive squares in 4 ways, for example, as 5875213645456 + 2322856424464 = 2423884^2 + 1524092^2 .

It is a super-2 number, since 2×81980700699202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8198070069920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15388031 + ... + 15911870.

Almost surely, 28198070069920 is an apocalyptic number.

8198070069920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8198070069920 is an abundant number, since it is smaller than the sum of its proper divisors (11181702452008).

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

8198070069920 is a wasteful number, since it uses less digits than its factorization.

8198070069920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31301553 (or 31301545 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 8198070069920 in words is "eight trillion, one hundred ninety-eight billion, seventy million, sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1637 3274 6548 8185 13096 16370 26192 32740 52384 65480 130960 261920 31299901 62599802 125199604 156499505 250399208 312999010 500798416 625998020 1001596832 1251996040 2503992080 5007984160 51237937937 102475875874 204951751748 256189689685 409903503496 512379379370 819807006992 1024758758740 1639614013984 2049517517480 4099035034960 8198070069920