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612220616216 = 231131224421047
BaseRepresentation
bin10001110100010110011…
…00010011111000011000
32011112020201002200101122
420322023030103320120
540012311434204331
61145130020304412
762142253242506
oct10721314237030
92145221080348
10612220616216
11216706639420
129a79b542108
1345969717071
14218bb2cd676
1510dd2b6b17b
hex8e8b313e18

612220616216 has 32 divisors (see below), whose sum is σ = 1292665236480. Its totient is φ = 269305255200.

The previous prime is 612220616213. The next prime is 612220616233. The reversal of 612220616216 is 612616022216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612220616213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112207796 + ... + 112213251.

It is an arithmetic number, because the mean of its divisors is an integer number (40395788640).

Almost surely, 2612220616216 is an apocalyptic number.

It is an amenable number.

612220616216 is an abundant number, since it is smaller than the sum of its proper divisors (680444620264).

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

612220616216 is a wasteful number, since it uses less digits than its factorization.

612220616216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224421095 (or 224421091 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 612220616216 in words is "six hundred twelve billion, two hundred twenty million, six hundred sixteen thousand, two hundred sixteen".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 224421047 448842094 897684188 1795368376 2468631517 4937263034 6957052457 9874526068 13914104914 19749052136 27828209828 55656419656 76527577027 153055154054 306110308108 612220616216