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390970966428 = 223371812857223
BaseRepresentation
bin1011011000001111010…
…11111000000110011100
31101101011102211221102000
411230013223320012130
522401202031411203
6455335400402300
740150424244660
oct5540753700634
91341142757360
10390970966428
1114089aa10889
1263933476390
132ab39b63c23
1414cccd908a0
15a283dd44a3
hex5b07af819c

390970966428 has 96 divisors (see below), whose sum is σ = 1164833080320. Its totient is φ = 111088791360.

The previous prime is 390970966361. The next prime is 390970966457. The reversal of 390970966428 is 824669079093.

390970966428 is a `hidden beast` number, since 39 + 0 + 97 + 0 + 96 + 6 + 428 = 666.

390970966428 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291776 + ... + 1565447.

It is an arithmetic number, because the mean of its divisors is an integer number (12133677920).

Almost surely, 2390970966428 is an apocalyptic number.

It is an amenable number.

390970966428 is an abundant number, since it is smaller than the sum of its proper divisors (773862113892).

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

390970966428 is a wasteful number, since it uses less digits than its factorization.

390970966428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857424 (or 2857416 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 390970966428 in words is "three hundred ninety billion, nine hundred seventy million, nine hundred sixty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 181 189 252 362 378 543 724 756 1086 1267 1629 2172 2534 3258 3801 4887 5068 6516 7602 9774 11403 15204 19548 22806 34209 45612 68418 136836 2857223 5714446 8571669 11428892 17143338 20000561 25715007 34286676 40001122 51430014 60001683 77145021 80002244 102860028 120003366 154290042 180005049 240006732 308580084 360010098 517157363 540015147 720020196 1034314726 1080030294 1551472089 2068629452 2160060588 3102944178 3620101541 4654416267 6205888356 7240203082 9308832534 10860304623 13963248801 14480406164 18617665068 21720609246 27926497602 32580913869 43441218492 55852995204 65161827738 97742741607 130323655476 195485483214 390970966428