Search a number
-
+
23445505313 = 3141131140813
BaseRepresentation
bin10101110101011101…
…100000010100100001
32020111221212001222122
4111311131200110201
5341004022132223
614434250314025
71460000335616
oct256535402441
966457761878
1023445505313
119a4141617a
124663a28915
132298474089
1411c5b3a50d
159234b15c8
hex575760521

23445505313 has 16 divisors (see below), whose sum is σ = 24981530112. Its totient is φ = 21966672000.

The previous prime is 23445505277. The next prime is 23445505319. The reversal of 23445505313 is 31350554432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23445505313 - 210 = 23445504289 is a prime.

It is a super-2 number, since 2×234455053132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23445505319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96095 + ... + 236907.

It is an arithmetic number, because the mean of its divisors is an integer number (1561345632).

Almost surely, 223445505313 is an apocalyptic number.

It is an amenable number.

23445505313 is a deficient number, since it is larger than the sum of its proper divisors (1536024799).

23445505313 is a wasteful number, since it uses less digits than its factorization.

23445505313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141016.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 23445505313 in words is "twenty-three billion, four hundred forty-five million, five hundred five thousand, three hundred thirteen".

Divisors: 1 31 41 131 1271 4061 5371 140813 166501 4365203 5773333 18446503 178973323 571841593 756306623 23445505313