Search a number
-
+
23401622471 = 2937593131181
BaseRepresentation
bin10101110010110110…
…000110101111000111
32020101220021121001012
4111302312012233013
5340411303404341
614430041552435
71455625336403
oct256266065707
966356247035
1023401622471
119a19673367
1246511a571b
13228c34b0b6
1411bdd96103
1591e6e40eb
hex572d86bc7

23401622471 has 32 divisors (see below), whose sum is σ = 25386523200. Its totient is φ = 21524106240.

The previous prime is 23401622429. The next prime is 23401622477. The reversal of 23401622471 is 17422610432.

It is not a de Polignac number, because 23401622471 - 222 = 23397428167 is a prime.

It is a super-3 number, since 3×234016224713 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401622477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19814501 + ... + 19815681.

It is an arithmetic number, because the mean of its divisors is an integer number (793328850).

Almost surely, 223401622471 is an apocalyptic number.

23401622471 is a deficient number, since it is larger than the sum of its proper divisors (1984900729).

23401622471 is a wasteful number, since it uses less digits than its factorization.

23401622471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 23401622471 in words is "twenty-three billion, four hundred one million, six hundred twenty-two thousand, four hundred seventy-one".

Divisors: 1 29 37 59 313 1073 1181 1711 2183 9077 11581 18467 34249 43697 63307 69679 335849 369653 535543 683279 1267213 2020691 2578123 10719937 13677161 19815091 21809527 74765567 396637669 632476283 806952499 23401622471