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155173960912030 = 2522774339196633
BaseRepresentation
bin100011010010000101000000…
…110100011000110010011110
3202100102111010010201212210121
4203102011000310120302132
5130314332232443141110
61310005533350425154
744453643256651264
oct4322050064306236
9670374103655717
10155173960912030
11454969a8615805
12154a19056621ba
136877ac3371288
142a466618d6434
1512e166e09ecda
hex8d2140d18c9e

155173960912030 has 32 divisors (see below), whose sum is σ = 280581357448224. Its totient is φ = 61787829597696.

The previous prime is 155173960912021. The next prime is 155173960912037. The reversal of 155173960912030 is 30219069371551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155173960912037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12274594 + ... + 21471226.

It is an arithmetic number, because the mean of its divisors is an integer number (8768167420257).

Almost surely, 2155173960912030 is an apocalyptic number.

155173960912030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155173960912030 is a deficient number, since it is larger than the sum of its proper divisors (125407396536194).

155173960912030 is a wasteful number, since it uses less digits than its factorization.

155173960912030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204300.

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 155173960912030 in words is "one hundred fifty-five trillion, one hundred seventy-three billion, nine hundred sixty million, nine hundred twelve thousand, thirty".

Divisors: 1 2 5 10 227 454 1135 2270 7433 14866 37165 74330 1687291 3374582 8436455 9196633 16872910 18393266 45983165 91966330 2087635691 4175271382 10438178455 20876356910 68358573089 136717146178 341792865445 683585730890 15517396091203 31034792182406 77586980456015 155173960912030