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54631547740 = 225711109325459
BaseRepresentation
bin110010111000010010…
…110100001101011100
312020000100220011201001
4302320102310031130
51343341134011430
641033011400044
73642551331250
oct627022641534
9166010804631
1054631547740
11211950a2460
12a707bb3024
1351c8484613
1429038c0260
15164b2ba3ca
hexcb84b435c

54631547740 has 96 divisors (see below), whose sum is σ = 144348019200. Its totient is φ = 16871742720.

The previous prime is 54631547699. The next prime is 54631547759. The reversal of 54631547740 is 4774513645.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5131 + ... + 330589.

It is an arithmetic number, because the mean of its divisors is an integer number (1503625200).

Almost surely, 254631547740 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 54631547740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72174009600).

54631547740 is an abundant number, since it is smaller than the sum of its proper divisors (89716471460).

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

54631547740 is a wasteful number, since it uses less digits than its factorization.

54631547740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325595 (or 325593 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

It can be divided in two parts, 5463 and 1547740, that added together give a triangular number (1553203 = T1762).

The spelling of 54631547740 in words is "fifty-four billion, six hundred thirty-one million, five hundred forty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 109 110 140 154 218 220 308 385 436 545 763 770 1090 1199 1526 1540 2180 2398 3052 3815 4796 5995 7630 8393 11990 15260 16786 23980 33572 41965 83930 167860 325459 650918 1301836 1627295 2278213 3254590 3580049 4556426 6509180 7160098 9112852 11391065 14320196 17900245 22782130 25060343 35475031 35800490 45564260 50120686 70950062 71600980 100241372 125301715 141900124 177375155 248325217 250603430 354750310 390225341 496650434 501206860 709500620 780450682 993300868 1241626085 1560901364 1951126705 2483252170 2731577387 3902253410 4966504340 5463154774 7804506820 10926309548 13657886935 27315773870 54631547740