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227155166240 = 2551419719789
BaseRepresentation
bin1101001110001110000…
…0001100010000100000
3210201022211112001121012
43103203200030100200
512210203210304430
6252204215320052
722261055024612
oct3234340142040
9721284461535
10227155166240
1188377195552
1238035980028
13185611ba292
14adcc794db2
155d97459695
hex34e380c420

227155166240 has 24 divisors (see below), whose sum is σ = 536654080620. Its totient is φ = 90862066432.

The previous prime is 227155166213. The next prime is 227155166261. The reversal of 227155166240 is 42661551722.

It can be written as a sum of positive squares in 2 ways, for example, as 227136121744 + 19044496 = 476588^2 + 4364^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709859735 + ... + 709860054.

Almost surely, 2227155166240 is an apocalyptic number.

227155166240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227155166240 is an abundant number, since it is smaller than the sum of its proper divisors (309498914380).

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

227155166240 is a wasteful number, since it uses less digits than its factorization.

227155166240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419719804 (or 1419719796 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 227155166240 in words is "two hundred twenty-seven billion, one hundred fifty-five million, one hundred sixty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1419719789 2839439578 5678879156 7098598945 11357758312 14197197890 22715516624 28394395780 45431033248 56788791560 113577583120 227155166240