Search a number
-
+
23671370121 = 372309948799
BaseRepresentation
bin10110000010111011…
…000111000110001001
32021002200212012020220
4112002323013012021
5341434332320441
614512515340253
71465412216610
oct260273070611
967080765226
1023671370121
11a047964803
1247075b1689
1323031b60a9
141207b32877
15938229466
hex582ec7189

23671370121 has 16 divisors (see below), whose sum is σ = 36072960000. Its totient is φ = 13525634448.

The previous prime is 23671370113. The next prime is 23671370137. The reversal of 23671370121 is 12107317632.

It is not a de Polignac number, because 23671370121 - 23 = 23671370113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23671370111) 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, 460680 + ... + 509478.

It is an arithmetic number, because the mean of its divisors is an integer number (2254560000).

Almost surely, 223671370121 is an apocalyptic number.

23671370121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23671370121 is a deficient number, since it is larger than the sum of its proper divisors (12401589879).

23671370121 is a wasteful number, since it uses less digits than its factorization.

23671370121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71908.

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 23671370121 its reverse (12107317632), we get a palindrome (35778687753).

The spelling of 23671370121 in words is "twenty-three billion, six hundred seventy-one million, three hundred seventy thousand, one hundred twenty-one".

Divisors: 1 3 7 21 23099 48799 69297 146397 161693 341593 485079 1024779 1127208101 3381624303 7890456707 23671370121