Search a number
-
+
253187448875306 = 211233190125982531
BaseRepresentation
bin111001100100010111001011…
…111100111010100100101010
31020012110111001122012002100122
4321210113023330322210222
5231141210343403002211
62254252412554203242
7104221122003325541
oct7144271374724452
91205414048162318
10253187448875306
1173745215341590
1224491510423522
13ab37621453cca
1446744a3325158
151e40ebea806db
hexe645cbf3a92a

253187448875306 has 32 divisors (see below), whose sum is σ = 416303767878336. Its totient is φ = 114530992240000.

The previous prime is 253187448875299. The next prime is 253187448875341. The reversal of 253187448875306 is 603578844781352.

It is a self number, because there is not a number n which added to its sum of digits gives 253187448875306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246740 + ... + 22735791.

It is an arithmetic number, because the mean of its divisors is an integer number (13009492746198).

Almost surely, 2253187448875306 is an apocalyptic number.

253187448875306 is a deficient number, since it is larger than the sum of its proper divisors (163116319003030).

253187448875306 is a wasteful number, since it uses less digits than its factorization.

253187448875306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984678.

The product of its (nonzero) digits is 1083801600, while the sum is 71.

The spelling of 253187448875306 in words is "two hundred fifty-three trillion, one hundred eighty-seven billion, four hundred forty-eight million, eight hundred seventy-five thousand, three hundred six".

Divisors: 1 2 11 22 233 466 1901 2563 3802 5126 20911 41822 442933 885866 4872263 9744526 25982531 51965062 285807841 571615682 6053929723 12107859446 49392791431 66593226953 98785582862 133186453906 543320705741 1086641411482 11508520403423 23017040806846 126593724437653 253187448875306