Search a number
-
+
680071337442 = 23275991481213
BaseRepresentation
bin10011110010101110110…
…10010001010111100010
32102000101100012110001200
421321113122101113202
542120241230244232
61240230452542030
7100063541663340
oct11712732212742
92360340173050
10680071337442
112424645a4542
12ab976621916
134c1907ab813
1424cb66ac990
1512a5472d77c
hex9e576915e2

680071337442 has 48 divisors (see below), whose sum is σ = 1712528326080. Its totient is φ = 191012770656.

The previous prime is 680071337441. The next prime is 680071337443. The reversal of 680071337442 is 244733170086.

It is an interprime number because it is at equal distance from previous prime (680071337441) and next prime (680071337443).

It is a super-2 number, since 2×6800713374422 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680071337441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45733173 + ... + 45748040.

It is an arithmetic number, because the mean of its divisors is an integer number (35677673460).

Almost surely, 2680071337442 is an apocalyptic number.

680071337442 is an abundant number, since it is smaller than the sum of its proper divisors (1032456988638).

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

680071337442 is a wasteful number, since it uses less digits than its factorization.

680071337442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91481287 (or 91481284 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 680071337442 in words is "six hundred eighty billion, seventy-one million, three hundred thirty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 59 63 118 126 177 354 413 531 826 1062 1239 2478 3717 7434 91481213 182962426 274443639 548887278 640368491 823330917 1280736982 1646661834 1921105473 3842210946 5397391567 5763316419 10794783134 11526632838 16192174701 32384349402 37781740969 48576524103 75563481938 97153048206 113345222907 226690445814 340035668721 680071337442