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1428572272860 = 2233519913293991
BaseRepresentation
bin10100110010011101100…
…010101111100011011100
312001120101122202122102000
4110302131202233203130
5141401204000212420
63012135501402300
7205132231652055
oct24623542574334
95046348678360
101428572272860
11500943894837
121b0a49b69390
13a4938262bc5
144d2011a572c
1527261768690
hex14c9d8af8dc

1428572272860 has 96 divisors (see below), whose sum is σ = 4466781312000. Its totient is φ = 379038242880.

The previous prime is 1428572272843. The next prime is 1428572272877. The reversal of 1428572272860 is 682722758241.

It is a happy number.

1428572272860 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 572 + 2 + 7 + 2 + 8 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (1428572272843) and next prime (1428572272877).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1428572272797 and 1428572272806.

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, 6539536 + ... + 6754455.

It is an arithmetic number, because the mean of its divisors is an integer number (46528972000).

Almost surely, 21428572272860 is an apocalyptic number.

1428572272860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428572272860 is an abundant number, since it is smaller than the sum of its proper divisors (3038209039140).

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

1428572272860 is a wasteful number, since it uses less digits than its factorization.

1428572272860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294208 (or 13294200 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 1428572272860 in words is "one trillion, four hundred twenty-eight billion, five hundred seventy-two million, two hundred seventy-two thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 199 270 398 540 597 796 995 1194 1791 1990 2388 2985 3582 3980 5373 5970 7164 8955 10746 11940 17910 21492 26865 35820 53730 107460 13293991 26587982 39881973 53175964 66469955 79763946 119645919 132939910 159527892 199409865 239291838 265879820 358937757 398819730 478583676 598229595 717875514 797639460 1196459190 1435751028 1794688785 2392918380 2645504209 3589377570 5291008418 7178755140 7936512627 10582016836 13227521045 15873025254 23809537881 26455042090 31746050508 39682563135 47619075762 52910084180 71428613643 79365126270 95238151524 119047689405 142857227286 158730252540 238095378810 285714454572 357143068215 476190757620 714286136430 1428572272860