Search a number
-
+
69490621410 = 23571103300007
BaseRepresentation
bin100000010110111110…
…1101011101111100010
320122100220212022210220
41000231331223233202
52114304044341120
651531253103510
75010020351610
oct1005575535742
9218326768726
1069490621410
112751a70a431
1211574327b96
136725a5a7c2
1435130dc6b0
151c1aa43b40
hex102df6bbe2

69490621410 has 64 divisors (see below), whose sum is σ = 190776287232. Its totient is φ = 15869117376.

The previous prime is 69490621399. The next prime is 69490621457. The reversal of 69490621410 is 1412609496.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81627 + ... + 381633.

It is an arithmetic number, because the mean of its divisors is an integer number (2980879488).

Almost surely, 269490621410 is an apocalyptic number.

69490621410 is an abundant number, since it is smaller than the sum of its proper divisors (121285665822).

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

69490621410 is a wasteful number, since it uses less digits than its factorization.

69490621410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301127.

The product of its (nonzero) digits is 93312, while the sum is 42.

It can be divided in two parts, 69490 and 621410, that added together give a triangular number (690900 = T1175).

The spelling of 69490621410 in words is "sixty-nine billion, four hundred ninety million, six hundred twenty-one thousand, four hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1103 2206 3309 5515 6618 7721 11030 15442 16545 23163 33090 38605 46326 77210 115815 231630 300007 600014 900021 1500035 1800042 2100049 3000070 4200098 4500105 6300147 9000210 10500245 12600294 21000490 31500735 63001470 330907721 661815442 992723163 1654538605 1985446326 2316354047 3309077210 4632708094 4963615815 6949062141 9927231630 11581770235 13898124282 23163540470 34745310705 69490621410