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147995230520 = 23523536149757
BaseRepresentation
bin1000100111010100110…
…1000000000100111000
3112011000001010200011002
42021311031000010320
54411043234334040
6151553231224132
713456313463164
oct2116515000470
9464001120132
10147995230520
11578454a4175
1224823378048
1310c57125227
14723d413ca4
153cb2ac8a15
hex2275340138

147995230520 has 128 divisors (see below), whose sum is σ = 359833933440. Its totient is φ = 54644029440.

The previous prime is 147995230499. The next prime is 147995230627. The reversal of 147995230520 is 25032599741.

It is a congruent number.

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, 2949482 + ... + 2999238.

It is an arithmetic number, because the mean of its divisors is an integer number (2811202605).

Almost surely, 2147995230520 is an apocalyptic number.

147995230520 is a gapful number since it is divisible by the number (10) 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 147995230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179916966720).

147995230520 is an abundant number, since it is smaller than the sum of its proper divisors (211838702920).

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

147995230520 is a wasteful number, since it uses less digits than its factorization.

147995230520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49905 (or 49901 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 147995230520 in words is "one hundred forty-seven billion, nine hundred ninety-five million, two hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 53 61 92 106 115 122 184 212 230 244 265 305 424 460 488 530 610 920 1060 1219 1220 1403 2120 2438 2440 2806 3233 4876 5612 6095 6466 7015 9752 11224 12190 12932 14030 16165 24380 25864 28060 32330 48760 49757 56120 64660 74359 99514 129320 148718 199028 248785 297436 371795 398056 497570 594872 743590 995140 1144411 1487180 1990280 2288822 2637121 2974360 3035177 4577644 5274242 5722055 6070354 9155288 10548484 11444110 12140708 13185605 15175885 21096968 22888220 24281416 26371210 30351770 45776440 52742420 60653783 60703540 69809071 105484840 121307566 121407080 139618142 160864381 242615132 279236284 303268915 321728762 349045355 485230264 558472568 606537830 643457524 698090710 804321905 1213075660 1286915048 1396181420 1608643810 2426151320 2792362840 3217287620 3699880763 6434575240 7399761526 14799523052 18499403815 29599046104 36998807630 73997615260 147995230520