Search a number
-
+
20251034963 = 2310735323311
BaseRepresentation
bin10010110111000011…
…100100010101010011
31221021022220011110222
4102313003210111103
5312433231104323
613145253543255
71314560646155
oct226703442523
957238804428
1020251034963
1186521aa335
123b12044b2b
131ba96c0433
14da1790ad5
157d7d069c8
hex4b70e4553

20251034963 has 16 divisors (see below), whose sum is σ = 21390345216. Its totient is φ = 19134339840.

The previous prime is 20251034957. The next prime is 20251034971. The reversal of 20251034963 is 36943015202.

It is a cyclic number.

It is not a de Polignac number, because 20251034963 - 28 = 20251034707 is a prime.

It is a super-2 number, since 2×202510349632 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20251034263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857078 + ... + 880388.

It is an arithmetic number, because the mean of its divisors is an integer number (1336896576).

Almost surely, 220251034963 is an apocalyptic number.

20251034963 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20251034963 is a deficient number, since it is larger than the sum of its proper divisors (1139310253).

20251034963 is a wasteful number, since it uses less digits than its factorization.

20251034963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23794.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 20251034963 in words is "twenty billion, two hundred fifty-one million, thirty-four thousand, nine hundred sixty-three".

Divisors: 1 23 107 353 2461 8119 23311 37771 536153 868733 2494277 8228783 57368371 189262009 880479781 20251034963