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155272415300 = 22522770156053
BaseRepresentation
bin1001000010011011110…
…1010000100001000100
3112211210012102221222022
42100212331100201010
510020444214242200
6155155310422312
714134536516302
oct2204675204104
9484705387868
10155272415300
115a93a259872
1226114501998
131184699b322
14772dac5272
15408b8e6885
hex2426f50844

155272415300 has 36 divisors (see below), whose sum is σ = 336959316036. Its totient is φ = 62105616000.

The previous prime is 155272415299. The next prime is 155272415357. The reversal of 155272415300 is 3514272551.

It can be written as a sum of positive squares in 6 ways, for example, as 149866564 + 155122548736 = 12242^2 + 393856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2742074 + ... + 2798126.

It is an arithmetic number, because the mean of its divisors is an integer number (9359981001).

Almost surely, 2155272415300 is an apocalyptic number.

155272415300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155272415300 is an abundant number, since it is smaller than the sum of its proper divisors (181686900736).

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

155272415300 is a wasteful number, since it uses less digits than its factorization.

155272415300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83768 (or 83761 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

Adding to 155272415300 its reverse (3514272551), we get a palindrome (158786687851).

The spelling of 155272415300 in words is "one hundred fifty-five billion, two hundred seventy-two million, four hundred fifteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 27701 55402 56053 110804 112106 138505 224212 277010 280265 554020 560530 692525 1121060 1385050 1401325 2770100 2802650 5605300 1552724153 3105448306 6210896612 7763620765 15527241530 31054483060 38818103825 77636207650 155272415300