Search a number
-
+
155651115008 = 211163466267
BaseRepresentation
bin1001000011110110000…
…1111000100000000000
3112212202121000220022102
42100331201320200000
510022233141140013
6155301035325532
714150115435134
oct2207541704000
9485677026272
10155651115008
1160013aa6534
12261bb2b08a8
13118a72926ac
1477681033c4
1540aec9dd58
hex243d878800

155651115008 has 48 divisors (see below), whose sum is σ = 313136263440. Its totient is φ = 77347934208.

The previous prime is 155651115007. The next prime is 155651115017. The reversal of 155651115008 is 800511156551.

It is not an unprimeable number, because it can be changed into a prime (155651115001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100691 + ... + 566957.

It is an arithmetic number, because the mean of its divisors is an integer number (6523672155).

Almost surely, 2155651115008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155651115008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156568131720).

155651115008 is an abundant number, since it is smaller than the sum of its proper divisors (157485148432).

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

155651115008 is an equidigital number, since it uses as much as digits as its factorization.

155651115008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466452 (or 466432 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 38.

The spelling of 155651115008 in words is "one hundred fifty-five billion, six hundred fifty-one million, one hundred fifteen thousand, eight".

Divisors: 1 2 4 8 16 32 64 128 163 256 326 512 652 1024 1304 2048 2608 5216 10432 20864 41728 83456 166912 333824 466267 932534 1865068 3730136 7460272 14920544 29841088 59682176 76001521 119364352 152003042 238728704 304006084 477457408 608012168 954914816 1216024336 2432048672 4864097344 9728194688 19456389376 38912778752 77825557504 155651115008