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49751134020 = 22325752175787
BaseRepresentation
bin101110010101011001…
…100000111101000100
311202102020112110200100
4232111121200331010
51303342242242040
634504431244100
73410610442650
oct562531407504
9152366473610
1049751134020
111a110244395
129785679630
1348cb336553
14259d66ba60
151462ad6b30
hexb95660f44

49751134020 has 144 divisors (see below), whose sum is σ = 172803915648. Its totient is φ = 11349711360.

The previous prime is 49751134001. The next prime is 49751134039. The reversal of 49751134020 is 2043115794.

49751134020 is a `hidden beast` number, since 4 + 97 + 511 + 34 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (49751134001) and next prime (49751134039).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 618567 + ... + 694353.

It is an arithmetic number, because the mean of its divisors is an integer number (1200027192).

Almost surely, 249751134020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49751134020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86401957824).

49751134020 is an abundant number, since it is smaller than the sum of its proper divisors (123052781628).

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

49751134020 is a wasteful number, since it uses less digits than its factorization.

49751134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76330 (or 76325 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 49751134020 in words is "forty-nine billion, seven hundred fifty-one million, one hundred thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 521 630 1042 1260 1563 2084 2605 3126 3647 4689 5210 6252 7294 7815 9378 10420 10941 14588 15630 18235 18756 21882 23445 31260 32823 36470 43764 46890 54705 65646 72940 75787 93780 109410 131292 151574 164115 218820 227361 303148 328230 378935 454722 530509 656460 682083 757870 909444 1061018 1136805 1364166 1515740 1591527 2122036 2273610 2652545 2728332 3183054 3410415 4547220 4774581 5305090 6366108 6820830 7957635 9549162 10610180 13641660 15915270 19098324 23872905 31830540 39485027 47745810 78970054 95491620 118455081 157940108 197425135 236910162 276395189 355365243 394850270 473820324 552790378 592275405 710730486 789700540 829185567 1105580756 1184550810 1381975945 1421460972 1658371134 1776826215 2369101620 2487556701 2763951890 3316742268 3553652430 4145927835 4975113402 5527903780 7107304860 8291855670 9950226804 12437783505 16583711340 24875567010 49751134020