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213274636352 = 264377498051
BaseRepresentation
bin1100011010100000101…
…0001011000001000000
3202101111110212002012122
43012220022023001000
511443241301330402
6241551011343412
721260100332501
oct3065012130100
9671443762178
10213274636352
11824a3a76a48
12354012b1b68
131715b57b09b
14a4730daba8
155833a74ca2
hex31a828b040

213274636352 has 28 divisors (see below), whose sum is σ = 433059114576. Its totient is φ = 104157379200.

The previous prime is 213274636319. The next prime is 213274636369. The reversal of 213274636352 is 253636472312.

It is a super-2 number, since 2×2132746363522 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38746274 + ... + 38751777.

Almost surely, 2213274636352 is an apocalyptic number.

It is an amenable number.

213274636352 is an abundant number, since it is smaller than the sum of its proper divisors (219784478224).

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

213274636352 is an equidigital number, since it uses as much as digits as its factorization.

213274636352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77498106 (or 77498096 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The spelling of 213274636352 in words is "two hundred thirteen billion, two hundred seventy-four million, six hundred thirty-six thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 77498051 154996102 309992204 619984408 1239968816 2479937632 3332416193 4959875264 6664832386 13329664772 26659329544 53318659088 106637318176 213274636352