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51713010240 = 2635495710867
BaseRepresentation
bin110000001010010101…
…011110101001000000
311221110222011002220120
4300022111132221000
51321402012311430
635431233140240
73510332222463
oct601225365100
9157428132816
1051713010240
111aa27711aa1
12a0326ba680
134b51923058
1427080412da
151529e68610
hexc0a55ea40

51713010240 has 112 divisors (see below), whose sum is σ = 164237042112. Its totient is φ = 13786085376.

The previous prime is 51713010233. The next prime is 51713010289. The reversal of 51713010240 is 4201031715.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51713010240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753287 + ... + 4764153.

Almost surely, 251713010240 is an apocalyptic number.

It is an amenable number.

51713010240 is an abundant number, since it is smaller than the sum of its proper divisors (112524031872).

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

51713010240 is a wasteful number, since it uses less digits than its factorization.

51713010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844 (or 15834 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 51713010240 its reverse (4201031715), we get a palindrome (55914041955).

The spelling of 51713010240 in words is "fifty-one billion, seven hundred thirteen million, ten thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 4957 9914 10867 14871 19828 21734 24785 29742 32601 39656 43468 49570 54335 59484 65202 74355 79312 86936 99140 108670 118968 130404 148710 158624 163005 173872 198280 217340 237936 260808 297420 317248 326010 347744 396560 434680 475872 521616 594840 652020 695488 793120 869360 951744 1043232 1189680 1304040 1586240 1738720 2086464 2379360 2608080 3477440 4758720 5216160 10432320 53867719 107735438 161603157 215470876 269338595 323206314 430941752 538677190 646412628 808015785 861883504 1077354380 1292825256 1616031570 1723767008 2154708760 2585650512 3232063140 3447534016 4309417520 5171301024 6464126280 8618835040 10342602048 12928252560 17237670080 25856505120 51713010240