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227657502140 = 22535931707173
BaseRepresentation
bin1101010000000101110…
…0011100110110111100
3210202121211202100220112
43110001130130312330
512212220310032030
6252330122205152
722306364561015
oct3240134346674
9722554670815
10227657502140
11886047a7992
12381560537b8
13186112ac663
14b03939800c
155dc65d4a95
hex350171cdbc

227657502140 has 24 divisors (see below), whose sum is σ = 479412470880. Its totient is φ = 90809340608.

The previous prime is 227657502109. The next prime is 227657502197. The reversal of 227657502140 is 41205756722.

227657502140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15846407 + ... + 15860766.

It is an arithmetic number, because the mean of its divisors is an integer number (19975519620).

Almost surely, 2227657502140 is an apocalyptic number.

227657502140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227657502140 is an abundant number, since it is smaller than the sum of its proper divisors (251754968740).

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

227657502140 is a wasteful number, since it uses less digits than its factorization.

227657502140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31707541 (or 31707539 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 227657502140 in words is "two hundred twenty-seven billion, six hundred fifty-seven million, five hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 31707173 63414346 126828692 158535865 317071730 634143460 11382875107 22765750214 45531500428 56914375535 113828751070 227657502140