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680127939900 = 223352251899237
BaseRepresentation
bin10011110010110101100…
…10001100010100111100
32102000112021201011001000
421321122302030110330
542120400223034100
61240240234050300
7100065130050153
oct11713262142474
92360467634030
10680127939900
11242493544832
12ab991579990
134c19c4391b6
1424cc000459a
1512a596ae900
hex9e5ac8c53c

680127939900 has 72 divisors (see below), whose sum is σ = 2186485385840. Its totient is φ = 181367449920.

The previous prime is 680127939823. The next prime is 680127939923. The reversal of 680127939900 is 9939721086.

680127939900 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125946919 + ... + 125952318.

Almost surely, 2680127939900 is an apocalyptic number.

680127939900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680127939900 is an abundant number, since it is smaller than the sum of its proper divisors (1506357445940).

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

680127939900 is a wasteful number, since it uses less digits than its factorization.

680127939900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251899260 (or 251899247 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 680127939900 in words is "six hundred eighty billion, one hundred twenty-seven million, nine hundred thirty-nine thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 135 150 180 225 270 300 450 540 675 900 1350 2700 251899237 503798474 755697711 1007596948 1259496185 1511395422 2267093133 2518992370 3022790844 3778488555 4534186266 5037984740 6297480925 6801279399 7556977110 9068372532 11335465665 12594961850 13602558798 15113954220 18892442775 22670931330 25189923700 27205117596 34006396995 37784885550 45341862660 56677328325 68012793990 75569771100 113354656650 136025587980 170031984975 226709313300 340063969950 680127939900