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53701952772 = 223137123320809
BaseRepresentation
bin110010000000111000…
…101100010100000100
312010121120200212010210
4302000320230110010
51334440144442042
640400443115420
73610533031656
oct620070542404
9163546625123
1053701952772
1120858396a56
12a4a8812b70
1350aa9c8420
14285625c6d6
1515e4894a9c
hexc80e2c504

53701952772 has 96 divisors (see below), whose sum is σ = 137437896960. Its totient is φ = 16220252160.

The previous prime is 53701952771. The next prime is 53701952813. The reversal of 53701952772 is 27725910735.

It is a super-2 number, since 2×537019527722 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53701952771) 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, 2570304 + ... + 2591112.

It is an arithmetic number, because the mean of its divisors is an integer number (1431644760).

Almost surely, 253701952772 is an apocalyptic number.

53701952772 is a gapful number since it is divisible by the number (52) 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 53701952772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68718948480).

53701952772 is an abundant number, since it is smaller than the sum of its proper divisors (83735944188).

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

53701952772 is a wasteful number, since it uses less digits than its factorization.

53701952772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133 (or 21131 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 48.

The spelling of 53701952772 in words is "fifty-three billion, seven hundred one million, nine hundred fifty-two thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 71 78 142 156 213 233 284 426 466 699 852 923 932 1398 1846 2769 2796 3029 3692 5538 6058 9087 11076 12116 16543 18174 20809 33086 36348 41618 49629 62427 66172 83236 99258 124854 198516 215059 249708 270517 430118 541034 645177 811551 860236 1082068 1290354 1477439 1623102 2580708 2954878 3246204 4432317 4848497 5909756 8864634 9696994 14545491 17729268 19206707 19393988 29090982 38413414 57620121 58181964 63030461 76826828 115240242 126060922 189091383 230480484 252121844 344243287 378182766 688486574 756365532 1032729861 1376973148 2065459722 4130919444 4475162731 8950325462 13425488193 17900650924 26850976386 53701952772