Search a number
-
+
28758056059460 = 22571347336194249
BaseRepresentation
bin1101000100111110000011…
…01101110100001001000100
310202211020120101001200220102
412202133001231310021010
512232132444322400320
6141055134002223232
76025462303153220
oct642370155641104
9122736511050812
1028758056059460
11918824aa196a2
123285606954b18
131307b47125120
14715c7c42d780
1534d0e2b19175
hex1a27c1b74244

28758056059460 has 96 divisors (see below), whose sum is σ = 75909972096000. Its totient is φ = 8907802795008.

The previous prime is 28758056059459. The next prime is 28758056059567. The reversal of 28758056059460 is 6495065085782.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 168011585 + ... + 168182664.

It is an arithmetic number, because the mean of its divisors is an integer number (790728876000).

Almost surely, 228758056059460 is an apocalyptic number.

28758056059460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28758056059460 is an abundant number, since it is smaller than the sum of its proper divisors (47151916036540).

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

28758056059460 is a wasteful number, since it uses less digits than its factorization.

28758056059460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336194325 (or 336194323 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 28758056059460 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, fifty-nine thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 47 52 65 70 91 94 130 140 182 188 235 260 329 364 455 470 611 658 910 940 1222 1316 1645 1820 2444 3055 3290 4277 6110 6580 8554 12220 17108 21385 42770 85540 336194249 672388498 1344776996 1680971245 2353359743 3361942490 4370525237 4706719486 6723884980 8741050474 9413438972 11766798715 15801129703 17482100948 21852626185 23533597430 30593676659 31602259406 43705252370 47067194860 61187353318 63204518812 79005648515 87410504740 110607907921 122374706636 152968383295 158011297030 205414686139 221215815842 305936766590 316022594060 410829372278 442431631684 553039539605 611873533180 821658744556 1027073430695 1106079079210 1437902802973 2054146861390 2212158158420 2875805605946 4108293722780 5751611211892 7189514014865 14379028029730 28758056059460