Search a number
-
+
155692702812 = 22331641652931
BaseRepresentation
bin1001000100000000000…
…0100001110001011100
3112212212111021210001110
42101000000201301130
510022324312442222
6155305122542020
714151132065313
oct2210000416134
9485774253043
10155692702812
1160035521019
1226211207910
13118b2a93b6a
14776d84b27a
1540b376630c
hex2440021c5c

155692702812 has 48 divisors (see below), whose sum is σ = 375587380224. Its totient is φ = 50145024000.

The previous prime is 155692702807. The next prime is 155692702859. The reversal of 155692702812 is 218207296551.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88014 + ... + 564917.

It is an arithmetic number, because the mean of its divisors is an integer number (7824737088).

Almost surely, 2155692702812 is an apocalyptic number.

155692702812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155692702812 is an abundant number, since it is smaller than the sum of its proper divisors (219894677412).

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

155692702812 is a wasteful number, since it uses less digits than its factorization.

155692702812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653610 (or 653608 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 155692702812 in words is "one hundred fifty-five billion, six hundred ninety-two million, seven hundred two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 641 1282 1923 2564 3846 7692 19871 39742 59613 79484 119226 238452 652931 1305862 1958793 2611724 3917586 7835172 20240861 40481722 60722583 80963444 121445166 242890332 418528771 837057542 1255586313 1674115084 2511172626 5022345252 12974391901 25948783802 38923175703 51897567604 77846351406 155692702812