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12275555300 = 2252122755553
BaseRepresentation
bin10110110111010111…
…00001101111100100
31011200111121211011022
423123223201233210
5200120020232200
65350031430312
7613125332651
oct133353415744
934614554138
1012275555300
11522a25a428
122467085398
1312082840b8
1484646ac28
154bca51885
hex2dbae1be4

12275555300 has 18 divisors (see below), whose sum is σ = 26637955218. Its totient is φ = 4910222080.

The previous prime is 12275555221. The next prime is 12275555317. The reversal of 12275555300 is 355557221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2591420836 + 9684134464 = 50906^2 + 98408^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61377677 + ... + 61377876.

It is an arithmetic number, because the mean of its divisors is an integer number (1479886401).

Almost surely, 212275555300 is an apocalyptic number.

12275555300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12275555300 is an abundant number, since it is smaller than the sum of its proper divisors (14362399918).

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

12275555300 is a wasteful number, since it uses less digits than its factorization.

12275555300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122755567 (or 122755560 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 12275555300 in words is "twelve billion, two hundred seventy-five million, five hundred fifty-five thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 122755553 245511106 491022212 613777765 1227555530 2455111060 3068888825 6137777650 12275555300