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115612020620 = 22531667927919
BaseRepresentation
bin110101110101100000…
…0110110111110001100
3102001102012102011101122
41223223000312332030
53343233134124440
6125040022500112
711231654650415
oct1535300667614
9361365364348
10115612020620
1145037a76288
121a4a6294638
13ab960a2875
14584a67a80c
153019b437b5
hex1aeb036f8c

115612020620 has 48 divisors (see below), whose sum is σ = 250663526400. Its totient is φ = 44744736960.

The previous prime is 115612020611. The next prime is 115612020661. The reversal of 115612020620 is 26020216511.

It is a super-2 number, since 2×1156120206202 (a number of 23 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 115612020620.

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, 4127021 + ... + 4154939.

It is an arithmetic number, because the mean of its divisors is an integer number (5222156800).

Almost surely, 2115612020620 is an apocalyptic number.

115612020620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115612020620 is an abundant number, since it is smaller than the sum of its proper divisors (135051505780).

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

115612020620 is a wasteful number, since it uses less digits than its factorization.

115612020620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34638 (or 34636 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 115612020620 in words is "one hundred fifteen billion, six hundred twelve million, twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 6679 13358 26716 27919 33395 55838 66790 111676 133580 139595 207049 279190 414098 558380 828196 865489 1035245 1730978 2070490 3461956 4140980 4327445 8654890 17309780 186471001 372942002 745884004 932355005 1864710010 3729420020 5780601031 11561202062 23122404124 28903005155 57806010310 115612020620