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5213211960 = 23351110139103
BaseRepresentation
bin1001101101011101…
…10100110100111000
3111110022120121101110
410312232310310320
541134040240320
62221145120320
7243121366455
oct46656646470
914408517343
105213211960
1122357a4340
121015a890a0
13651090708
1437652282c
15207a205e0
hex136bb4d38

5213211960 has 128 divisors (see below), whose sum is σ = 17230786560. Its totient is φ = 1251264000.

The previous prime is 5213211953. The next prime is 5213211961. The reversal of 5213211960 is 691123125.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213211961) 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, 113769 + ... + 152871.

It is an arithmetic number, because the mean of its divisors is an integer number (134615520).

Almost surely, 25213211960 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 5213211960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8615393280).

5213211960 is an abundant number, since it is smaller than the sum of its proper divisors (12017574600).

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

5213211960 is a wasteful number, since it uses less digits than its factorization.

5213211960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39229 (or 39225 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5213211960 is about 72202.5758543281. The cubic root of 5213211960 is about 1733.9442411053.

The spelling of 5213211960 in words is "five billion, two hundred thirteen million, two hundred eleven thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 101 110 120 132 165 202 220 264 303 330 404 440 505 606 660 808 1010 1111 1212 1320 1515 2020 2222 2424 3030 3333 4040 4444 5555 6060 6666 8888 11110 12120 13332 16665 22220 26664 33330 39103 44440 66660 78206 117309 133320 156412 195515 234618 312824 391030 430133 469236 586545 782060 860266 938472 1173090 1290399 1564120 1720532 2150665 2346180 2580798 3441064 3949403 4301330 4692360 5161596 6451995 7898806 8602660 10323192 11848209 12903990 15797612 17205320 19747015 23696418 25807980 31595224 39494030 43443433 47392836 51615960 59241045 78988060 86886866 94785672 118482090 130330299 157976120 173773732 217217165 236964180 260660598 347547464 434434330 473928360 521321196 651651495 868868660 1042642392 1303302990 1737737320 2606605980 5213211960