Search a number
-
+
6523310102421 = 373971493524081
BaseRepresentation
bin101111011101101001110…
…0101001101011110010101
3212002121210200211011021110
41132323103211031132111
51323334214341234141
621512433422405233
71242202463664030
oct136732345153625
925077720734243
106523310102421
11209557a543902
12894317430819
133841b7893b88
14187a30b84017
15b4a46232e16
hex5eed394d795

6523310102421 has 32 divisors (see below), whose sum is σ = 9972014277888. Its totient is φ = 3715718814720.

The previous prime is 6523310102399. The next prime is 6523310102423. The reversal of 6523310102421 is 1242010133256.

It is not a de Polignac number, because 6523310102421 - 25 = 6523310102389 is a prime.

It is a super-2 number, since 2×65233101024212 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523310102423) 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, 12185101 + ... + 12709181.

It is an arithmetic number, because the mean of its divisors is an integer number (311625446184).

Almost surely, 26523310102421 is an apocalyptic number.

It is an amenable number.

6523310102421 is a deficient number, since it is larger than the sum of its proper divisors (3448704175467).

6523310102421 is a wasteful number, since it uses less digits than its factorization.

6523310102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525981.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 6523310102421 its reverse (1242010133256), we get a palindrome (7765320235677).

The spelling of 6523310102421 in words is "six trillion, five hundred twenty-three billion, three hundred ten million, one hundred two thousand, four hundred twenty-one".

Divisors: 1 3 7 21 397 1191 1493 2779 4479 8337 10451 31353 524081 592721 1572243 1778163 3668567 4149047 11005701 12447141 208060157 624180471 782452933 1456421099 2347358799 4369263297 5477170531 16431511593 310633814401 931901443203 2174436700807 6523310102421