Search a number
-
+
631530098982 = 233229470310859
BaseRepresentation
bin10010011000010100010…
…00001001000100100110
32020101002102022001002000
421030022020021010212
540321333201131412
61202042041430130
763424622161566
oct11141210110446
92211072261060
10631530098982
11223915305642
12a248a19b346
1347726022903
14227cd9c8da6
1511662e894dc
hex930a209126

631530098982 has 64 divisors (see below), whose sum is σ = 1409958144000. Its totient is φ = 209526912864.

The previous prime is 631530098977. The next prime is 631530099071. The reversal of 631530098982 is 289890035136.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58151869 + ... + 58162727.

It is an arithmetic number, because the mean of its divisors is an integer number (22030596000).

Almost surely, 2631530098982 is an apocalyptic number.

631530098982 is an abundant number, since it is smaller than the sum of its proper divisors (778428045018).

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

631530098982 is a wasteful number, since it uses less digits than its factorization.

631530098982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15802 (or 15796 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 631530098982 in words is "six hundred thirty-one billion, five hundred thirty million, ninety-eight thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 229 458 687 1374 2061 4122 4703 6183 9406 10859 12366 14109 21718 28218 32577 42327 65154 84654 97731 126981 195462 253962 293193 586386 1076987 2153974 2486711 3230961 4973422 6461922 7460133 9692883 14920266 19385766 22380399 29078649 44760798 51069877 58157298 67141197 102139754 134282394 153209631 306419262 459628893 919257786 1378886679 2757773358 11695001833 23390003666 35085005499 70170010998 105255016497 210510032994 315765049491 631530098982