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620140101228 = 2232171447700277
BaseRepresentation
bin10010000011000110011…
…10101111111001101100
32012021200122000012111100
421001203032233321230
540130021331214403
61152515522323100
762542435613214
oct11014316577154
92167618005440
10620140101228
11219aaaa1375a
12a022b7b9490
134662c37957b
142202cdd9244
15111e80602a3
hex90633afe6c

620140101228 has 72 divisors (see below), whose sum is σ = 1660936167072. Its totient is φ = 194419026432.

The previous prime is 620140101227. The next prime is 620140101241. The reversal of 620140101228 is 822101041026.

620140101228 is a `hidden beast` number, since 620 + 1 + 4 + 0 + 1 + 0 + 12 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (620140101227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535426 + ... + 1235702.

It is an arithmetic number, because the mean of its divisors is an integer number (23068557876).

Almost surely, 2620140101228 is an apocalyptic number.

620140101228 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620140101228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830468083536).

620140101228 is an abundant number, since it is smaller than the sum of its proper divisors (1040796065844).

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

620140101228 is a wasteful number, since it uses less digits than its factorization.

620140101228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701751 (or 701746 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 620140101228 in words is "six hundred twenty billion, one hundred forty million, one hundred one thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 1447 2894 4341 5788 8682 13023 17364 24599 26046 49198 52092 73797 98396 147594 221391 295188 442782 700277 885564 1400554 2100831 2801108 4201662 6302493 8403324 11904709 12604986 23809418 25209972 35714127 47618836 71428254 107142381 142856508 214284762 428569524 1013300819 2026601638 3039902457 4053203276 6079804914 9119707371 12159609828 17226113923 18239414742 34452227846 36478829484 51678341769 68904455692 103356683538 155035025307 206713367076 310070050614 620140101228