Search a number
-
+
117481957970 = 25131773728209
BaseRepresentation
bin110110101101001111…
…0000110101001010010
3102020020112000211012112
41231122132012221102
53411100340123340
6125545342025322
711326212110666
oct1553236065122
9366215024175
10117481957970
1145907558953
121a928578242
13b10360ba80
145986b5a8a6
1530c8db4065
hex1b5a786a52

117481957970 has 64 divisors (see below), whose sum is σ = 244433881440. Its totient is φ = 40266989568.

The previous prime is 117481957933. The next prime is 117481957981. The reversal of 117481957970 is 79759184711.

It can be written as a sum of positive squares in 16 ways, for example, as 13460872441 + 104021085529 = 116021^2 + 322523^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202775 + ... + 525434.

Almost surely, 2117481957970 is an apocalyptic number.

117481957970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117481957970 is an abundant number, since it is smaller than the sum of its proper divisors (126951923470).

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

117481957970 is a wasteful number, since it uses less digits than its factorization.

117481957970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728319.

The product of its (nonzero) digits is 4445280, while the sum is 59.

The spelling of 117481957970 in words is "one hundred seventeen billion, four hundred eighty-one million, nine hundred fifty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 17 26 34 65 73 85 130 146 170 221 365 442 730 949 1105 1241 1898 2210 2482 4745 6205 9490 12410 16133 32266 80665 161330 728209 1456418 3641045 7282090 9466717 12379553 18933434 24759106 47333585 53159257 61897765 94667170 106318514 123795530 160934189 265796285 321868378 531592570 691070341 804670945 903707369 1382140682 1609341890 1807414738 3455351705 4518536845 6910703410 9037073690 11748195797 23496391594 58740978985 117481957970