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421357330712 = 2317232931714653
BaseRepresentation
bin1100010000110101101…
…10101010000100011000
31111021121010011011221102
412020122312222010120
523400414434040322
6521322513530532
742304425134213
oct6103266520430
91437533134842
10421357330712
1115277325703a
12697b3873a48
13309702a4c36
141657285077a
15ae618cb792
hex621adaa118

421357330712 has 128 divisors (see below), whose sum is σ = 905898556800. Its totient is φ = 182534381568.

The previous prime is 421357330687. The next prime is 421357330721. The reversal of 421357330712 is 217033753124.

It is a happy number.

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, 28748378 + ... + 28763030.

It is an arithmetic number, because the mean of its divisors is an integer number (7077332475).

Almost surely, 2421357330712 is an apocalyptic number.

It is an amenable number.

421357330712 is an abundant number, since it is smaller than the sum of its proper divisors (484541226088).

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

421357330712 is a wasteful number, since it uses less digits than its factorization.

421357330712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045 (or 15041 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 421357330712 in words is "four hundred twenty-one billion, three hundred fifty-seven million, three hundred thirty thousand, seven hundred twelve".

Divisors: 1 2 4 8 17 23 29 34 46 58 68 92 116 136 184 232 317 391 493 634 667 782 986 1268 1334 1564 1972 2536 2668 3128 3944 5336 5389 7291 9193 10778 11339 14582 14653 18386 21556 22678 29164 29306 36772 43112 45356 58328 58612 73544 90712 117224 123947 156281 211439 247894 249101 312562 337019 422878 424937 495788 498202 625124 674038 845756 849874 991576 996404 1250248 1348076 1691512 1699748 1992808 2696152 3399496 3594463 4645001 5729323 7188926 7223929 9290002 9773551 11458646 14377852 14447858 18580004 19547102 22917292 28755704 28895716 37160008 39094204 45834584 57791432 78188408 78965017 106835023 134705029 157930034 166150367 213670046 269410058 315860068 332300734 427340092 538820116 631720136 664601468 854680184 1077640232 1329202936 1816195391 2289985493 3098215667 3632390782 4579970986 6196431334 7264781564 9159941972 12392862668 14529563128 18319883944 24785725336 52669666339 105339332678 210678665356 421357330712