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49515380684 = 227111737255587
BaseRepresentation
bin101110000111010110…
…001011111111001100
311201210210220221220022
4232013112023333030
51302401414140214
634425210241312
73402015535310
oct560726137714
9151723827808
1049515380684
1119aaa161420
12971a726238
134891541633
14257a21db40
15144c068d8e
hexb8758bfcc

49515380684 has 96 divisors (see below), whose sum is σ = 117480513024. Its totient is φ = 17666104320.

The previous prime is 49515380657. The next prime is 49515380687. The reversal of 49515380684 is 48608351594.

It is not an unprimeable number, because it can be changed into a prime (49515380687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65939 + ... + 321525.

It is an arithmetic number, because the mean of its divisors is an integer number (1223755344).

Almost surely, 249515380684 is an apocalyptic number.

49515380684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49515380684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58740256512).

49515380684 is an abundant number, since it is smaller than the sum of its proper divisors (67965132340).

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

49515380684 is a wasteful number, since it uses less digits than its factorization.

49515380684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255663 (or 255661 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 49515380684 in words is "forty-nine billion, five hundred fifteen million, three hundred eighty thousand, six hundred eighty-four".

Divisors: 1 2 4 7 11 14 17 22 28 34 37 44 68 74 77 119 148 154 187 238 259 308 374 407 476 518 629 748 814 1036 1258 1309 1628 2516 2618 2849 4403 5236 5698 6919 8806 11396 13838 17612 27676 48433 96866 193732 255587 511174 1022348 1789109 2811457 3578218 4344979 5622914 7156436 8689958 9456719 11245828 17379916 18913438 19680199 30414853 37826876 39360398 47794769 60829706 66197033 78720796 95589538 104023909 121659412 132394066 160764223 191179076 208047818 264788132 321528446 334563383 416095636 643056892 669126766 728167363 1125349561 1338253532 1456334726 1768406453 2250699122 2912669452 3536812906 4501398244 7073625812 12378845171 24757690342 49515380684