Search a number
-
+
2925905979378 = 231764274463257
BaseRepresentation
bin101010100100111101100…
…101100010011111110010
3101100201021102022001002010
4222210331211202133302
5340414223412320003
610120050451303350
7421250451321204
oct52447545423762
911321242261063
102925905979378
11a28962713398
123b3087baab56
13182bb1164b55
14a1886694774
15511999da003
hex2a93d9627f2

2925905979378 has 32 divisors (see below), whose sum is σ = 6197001643584. Its totient is φ = 917788257792.

The previous prime is 2925905979349. The next prime is 2925905979383. The reversal of 2925905979378 is 8739795095292.

It is a super-2 number, since 2×29259059793782 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576075 + ... + 2887182.

It is an arithmetic number, because the mean of its divisors is an integer number (193656301362).

Almost surely, 22925905979378 is an apocalyptic number.

2925905979378 is an abundant number, since it is smaller than the sum of its proper divisors (3271095664206).

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

2925905979378 is a wasteful number, since it uses less digits than its factorization.

2925905979378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469706.

The product of its (nonzero) digits is 771573600, while the sum is 75.

The spelling of 2925905979378 in words is "two trillion, nine hundred twenty-five billion, nine hundred five million, nine hundred seventy-nine thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 6427 12854 19281 38562 109259 218518 327777 655554 4463257 8926514 13389771 26779542 75875369 151750738 227626107 455252214 28685352739 57370705478 86056058217 172112116434 487650996563 975301993126 1462952989689 2925905979378