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155310080836 = 221726721732
BaseRepresentation
bin1001000010100100110…
…0111100001101000100
3112211212211022120101011
42100221030330031010
510021033340041321
6155203134012004
714135504622331
oct2205114741504
9484784276334
10155310080836
115a959545509
1226125047004
1311851728421
147734acb988
15408ed86ae1
hex242933c344

155310080836 has 81 divisors (see below), whose sum is σ = 294798468279. Its totient is φ = 71580081408.

The previous prime is 155310080833. The next prime is 155310080897. The reversal of 155310080836 is 638080013551.

The square root of 155310080836 is 394094.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 76124120836 + 79185960000 = 275906^2 + 281400^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155310080833) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 897746046 + ... + 897746218.

Almost surely, 2155310080836 is an apocalyptic number.

155310080836 is the 394094-th square number.

It is an amenable number.

155310080836 is a deficient number, since it is larger than the sum of its proper divisors (139488387443).

155310080836 is an equidigital number, since it uses as much as digits as its factorization.

155310080836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 155310080836 in words is "one hundred fifty-five billion, three hundred ten million, eighty thousand, eight hundred thirty-six".

Divisors: 1 2 4 17 34 67 68 134 173 268 289 346 578 692 1139 1156 2278 2941 4489 4556 5882 8978 11591 11764 17956 19363 23182 29929 38726 46364 49997 59858 76313 77452 99994 119716 152626 197047 199988 305252 394094 508793 776597 788188 1017586 1297321 1553194 2005243 2035172 2594642 3106388 3349799 4010486 5189284 6699598 8020972 8649481 13202149 13399196 17298962 26404298 34089131 34597924 52808596 68178262 134351281 136356524 224436533 268702562 448873066 537405124 579515227 897746132 1159030454 2283971777 2318060908 4567943554 9135887108 38827520209 77655040418 155310080836