Search a number
-
+
23080880916 = 223215115792689
BaseRepresentation
bin10101011111101110…
…100100101100010100
32012120112202020100100
4111133232210230110
5334232201142131
614334143214100
71444652152002
oct253756445424
965515666310
1023080880916
1198746124a5
1245818a7330
13223aa6a4b2
14118d543a72
159014897e6
hex55fba4b14

23080880916 has 72 divisors (see below), whose sum is σ = 58788766400. Its totient is φ = 7634995200.

The previous prime is 23080880891. The next prime is 23080880947. The reversal of 23080880916 is 61908808032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8582100 + ... + 8584788.

Almost surely, 223080880916 is an apocalyptic number.

It is an amenable number.

23080880916 is an abundant number, since it is smaller than the sum of its proper divisors (35707885484).

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

23080880916 is a wasteful number, since it uses less digits than its factorization.

23080880916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 23080880916 in words is "twenty-three billion, eighty million, eight hundred eighty thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 151 302 453 604 906 1359 1579 1812 2689 2718 3158 4737 5378 5436 6316 8067 9474 10756 14211 16134 18948 24201 28422 32268 48402 56844 96804 238429 406039 476858 715287 812078 953716 1218117 1430574 1624156 2145861 2436234 2861148 3654351 4245931 4291722 4872468 7308702 8491862 8583444 12737793 14617404 16983724 25475586 38213379 50951172 76426758 152853516 641135581 1282271162 1923406743 2564542324 3846813486 5770220229 7693626972 11540440458 23080880916