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155052506050620 = 22357309353565253
BaseRepresentation
bin100011010000010011111001…
…100010110111000000111100
3202022222212121201222122122020
4203100103321202313000330
5130310340013022104440
61305434045443320140
744442113433450363
oct4320237142670074
9668885551878566
10155052506050620
114544a442500792
121548226a680050
13686950893a389
142a4081d27a7da
1512dd4115193d0
hex8d04f98b703c

155052506050620 has 48 divisors (see below), whose sum is σ = 434206417132320. Its totient is φ = 41341677785856.

The previous prime is 155052506050613. The next prime is 155052506050703. The reversal of 155052506050620 is 26050605250551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176344087 + ... + 177221166.

It is an arithmetic number, because the mean of its divisors is an integer number (9045967023590).

Almost surely, 2155052506050620 is an apocalyptic number.

155052506050620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155052506050620 is an abundant number, since it is smaller than the sum of its proper divisors (279153911081700).

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

155052506050620 is a wasteful number, since it uses less digits than its factorization.

155052506050620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353572574 (or 353572572 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 155052506050620 in words is "one hundred fifty-five trillion, fifty-two billion, five hundred six million, fifty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7309 14618 21927 29236 36545 43854 73090 87708 109635 146180 219270 438540 353565253 707130506 1060695759 1414261012 1767826265 2121391518 3535652530 4242783036 5303478795 7071305060 10606957590 21213915180 2584208434177 5168416868354 7752625302531 10336833736708 12921042170885 15505250605062 25842084341770 31010501210124 38763126512655 51684168683540 77526253025310 155052506050620