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155210253305054 = 2192214972650007
BaseRepresentation
bin100011010010100110110100…
…000000111000010011011110
3202100112221210102021110200012
4203102212310000320103132
5130320431044321230204
61310034334522403222
744456366524133303
oct4322466400702336
9670487712243605
10155210253305054
1145500331738852
12154a8953960512
13687b35826864c
142a483059030aa
1512e259531b76e
hex8d29b40384de

155210253305054 has 12 divisors (see below), whose sum is σ = 245713738959144. Its totient is φ = 73520646302052.

The previous prime is 155210253304973. The next prime is 155210253305059. The reversal of 155210253305054 is 450503352012551.

155210253305054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1552102533050542 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155210253305059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107486324282 + ... + 107486325725.

It is an arithmetic number, because the mean of its divisors is an integer number (20476144913262).

Almost surely, 2155210253305054 is an apocalyptic number.

155210253305054 is a deficient number, since it is larger than the sum of its proper divisors (90503485654090).

155210253305054 is a wasteful number, since it uses less digits than its factorization.

155210253305054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214972650047 (or 214972650028 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 155210253305054 in words is "one hundred fifty-five trillion, two hundred ten billion, two hundred fifty-three million, three hundred five thousand, fifty-four".

Divisors: 1 2 19 38 361 722 214972650007 429945300014 4084480350133 8168960700266 77605126652527 155210253305054