Search a number
-
+
25830083050805 = 5111273697936013
BaseRepresentation
bin1011101111110000010001…
…11011001011110100110101
310101110022221220021200201102
411313320020323023310311
511341200002230111210
6130534102031135445
75304106352215415
oct567701073136465
9111408856250642
1025830083050805
118259527547650
122a92062674585
1311549c6977637
1465427b432645
152ebd7692aea5
hex177e08ecbd35

25830083050805 has 16 divisors (see below), whose sum is σ = 34080178305024. Its totient is φ = 18637597500480.

The previous prime is 25830083050729. The next prime is 25830083050813. The reversal of 25830083050805 is 50805038003852.

It is not a de Polignac number, because 25830083050805 - 28 = 25830083050549 is a prime.

It is a super-2 number, since 2×258300830508052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25830083050805.

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, 1848961022 + ... + 1848974991.

It is an arithmetic number, because the mean of its divisors is an integer number (2130011144064).

Almost surely, 225830083050805 is an apocalyptic number.

It is an amenable number.

25830083050805 is a deficient number, since it is larger than the sum of its proper divisors (8250095254219).

25830083050805 is a wasteful number, since it uses less digits than its factorization.

25830083050805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697936156.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 25830083050805 in words is "twenty-five trillion, eight hundred thirty billion, eighty-three million, fifty thousand, eight hundred five".

Divisors: 1 5 11 55 127 635 1397 6985 3697936013 18489680065 40677296143 203386480715 469637873651 2348189368255 5166016610161 25830083050805