Search a number
-
+
102910938382 = 27191013830527
BaseRepresentation
bin101111111010111111…
…0000100110100001110
3100211122001002100000101
41133311332010310032
53141230200012012
6115135430321314
710302141354220
oct1376576046416
9324561070011
10102910938382
113a70a5a61aa
1217b407b923a
1399209101a5
144da38c2410
152a24a89d57
hex17f5f84d0e

102910938382 has 32 divisors (see below), whose sum is σ = 187542650880. Its totient is φ = 41369680800.

The previous prime is 102910938311. The next prime is 102910938409. The reversal of 102910938382 is 283839019201.

It is a super-2 number, since 2×1029109383822 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1888398 + ... + 1942129.

It is an arithmetic number, because the mean of its divisors is an integer number (5860707840).

Almost surely, 2102910938382 is an apocalyptic number.

102910938382 is a deficient number, since it is larger than the sum of its proper divisors (84631712498).

102910938382 is a wasteful number, since it uses less digits than its factorization.

102910938382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830656.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 102910938382 in words is "one hundred two billion, nine hundred ten million, nine hundred thirty-eight thousand, three hundred eighty-two".

Divisors: 1 2 7 14 19 38 101 133 202 266 707 1414 1919 3838 13433 26866 3830527 7661054 26813689 53627378 72780013 145560026 386883227 509460091 773766454 1018920182 2708182589 5416365178 7350781313 14701562626 51455469191 102910938382