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2321020315012 = 2271971148141491
BaseRepresentation
bin100001110001100111100…
…101110110010110000100
322012212221220012112000211
4201301213211312112010
5301011422200040022
64534132332245204
7326455022105560
oct41614745662604
98185856175024
102321020315012
11815380505953
123159b5010804
1313ab4326b6a9
14804a35d26a0
1540595c9ce77
hex21c67976584

2321020315012 has 96 divisors (see below), whose sum is σ = 4958645852160. Its totient is φ = 928446624000.

The previous prime is 2321020314967. The next prime is 2321020315057. The reversal of 2321020315012 is 2105130201232.

It is an interprime number because it is at equal distance from previous prime (2321020314967) and next prime (2321020315057).

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, 55919587 + ... + 55961077.

It is an arithmetic number, because the mean of its divisors is an integer number (51652560960).

Almost surely, 22321020315012 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 2321020315012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479322926080).

2321020315012 is an abundant number, since it is smaller than the sum of its proper divisors (2637625537148).

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

2321020315012 is a wasteful number, since it uses less digits than its factorization.

2321020315012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43073 (or 43071 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 2321020315012 its reverse (2105130201232), we get a palindrome (4426150516244).

The spelling of 2321020315012 in words is "two trillion, three hundred twenty-one billion, twenty million, three hundred fifteen thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 71 76 133 142 266 284 497 532 994 1349 1481 1988 2698 2962 5396 5924 9443 10367 18886 20734 28139 37772 41468 41491 56278 82982 105151 112556 165964 196973 210302 290437 393946 420604 580874 736057 787892 788329 1161748 1472114 1576658 1997869 2944228 2945861 3153316 3995738 5518303 5891722 7991476 11036606 11783444 13985083 20621027 22073212 27970166 41242054 55940332 55971359 61448171 82484108 111942718 122896342 223885436 245792684 391799513 430137197 783599026 860274394 1167515249 1567198052 1720548788 2335030498 4362820141 4670060996 8172606743 8725640282 16345213486 17451280564 30539740987 32690426972 61079481974 82893582679 122158963948 165787165358 331574330716 580255078753 1160510157506 2321020315012