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490555711554 = 232371325315391
BaseRepresentation
bin1110010001101110110…
…01100010000001000010
31201220012200010011001120
413020313121202001002
531014124230232204
61013205211213110
750304266514606
oct7106731420102
91656180104046
10490555711554
1117a052a01837
127b0a6147196
133734a62070c
1419a58bd9506
15cb619456d9
hex7237662042

490555711554 has 64 divisors (see below), whose sum is σ = 1038574338048. Its totient is φ = 154148702400.

The previous prime is 490555711553. The next prime is 490555711561. The reversal of 490555711554 is 455117555094.

It is a super-2 number, since 2×4905557115542 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490555711497 and 490555711506.

It is not an unprimeable number, because it can be changed into a prime (490555711553) 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, 31865199 + ... + 31880589.

It is an arithmetic number, because the mean of its divisors is an integer number (16227724032).

Almost surely, 2490555711554 is an apocalyptic number.

490555711554 is an abundant number, since it is smaller than the sum of its proper divisors (548018626494).

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

490555711554 is a wasteful number, since it uses less digits than its factorization.

490555711554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743.

The product of its (nonzero) digits is 3150000, while the sum is 51.

The spelling of 490555711554 in words is "four hundred ninety billion, five hundred fifty-five million, seven hundred eleven thousand, five hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 71 138 142 213 426 1633 3253 3266 4899 6506 9759 9798 15391 19518 30782 46173 74819 92346 149638 224457 230963 353993 448914 461926 692889 707986 1061979 1092761 1385778 2123958 2185522 3278283 5312149 6556566 10624298 15936447 25133503 31872894 50066923 50267006 75400509 100133846 150200769 150801018 300401538 1151539229 2303078458 3454617687 3554751533 6909235374 7109503066 10664254599 21328509198 81759285259 163518570518 245277855777 490555711554