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155260233750540 = 22352587670562509
BaseRepresentation
bin100011010011010101010111…
…000101001001100000001100
3202100201201210122022011112210
4203103111113011021200030
5130322240424320004130
61310113322225030420
744463116220663642
oct4323252705114014
9670651718264483
10155260233750540
114551a54a365246
12154b6582185410
136882c91c4c949
142a4a8c77c3192
1512e3a1d0ec5b0
hex8d355714980c

155260233750540 has 24 divisors (see below), whose sum is σ = 434728654501680. Its totient is φ = 41402729000128.

The previous prime is 155260233750539. The next prime is 155260233750541. The reversal of 155260233750540 is 45057332062551.

It is an interprime number because it is at equal distance from previous prime (155260233750539) and next prime (155260233750541).

It is a super-2 number, since 2×1552602337505402 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155260233750540.

It is not an unprimeable number, because it can be changed into a prime (155260233750541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293835281195 + ... + 1293835281314.

It is an arithmetic number, because the mean of its divisors is an integer number (18113693937570).

Almost surely, 2155260233750540 is an apocalyptic number.

155260233750540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155260233750540 is an abundant number, since it is smaller than the sum of its proper divisors (279468420751140).

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

155260233750540 is a wasteful number, since it uses less digits than its factorization.

155260233750540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587670562521 (or 2587670562519 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 155260233750540 in words is "one hundred fifty-five trillion, two hundred sixty billion, two hundred thirty-three million, seven hundred fifty thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2587670562509 5175341125018 7763011687527 10350682250036 12938352812545 15526023375054 25876705625090 31052046750108 38815058437635 51753411250180 77630116875270 155260233750540