Search a number
-
+
23115442202144 = 256731734010903
BaseRepresentation
bin1010100000101111110111…
…01110001010011000100000
310000211210222220121021100022
411100113323232022120200
511012210411200432034
6121055030524413012
74604015130555005
oct520277356123040
9100753886537308
1023115442202144
117402227560946
122713b169a7168
13cb8a13968996
1459cb170278ac
152a1444376b2e
hex1505fbb8a620

23115442202144 has 48 divisors (see below), whose sum is σ = 46333462650048. Its totient is φ = 11349301953792.

The previous prime is 23115442202137. The next prime is 23115442202197. The reversal of 23115442202144 is 44120224451132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16325804 + ... + 17685099.

It is an arithmetic number, because the mean of its divisors is an integer number (965280471876).

Almost surely, 223115442202144 is an apocalyptic number.

It is an amenable number.

23115442202144 is an abundant number, since it is smaller than the sum of its proper divisors (23218020447904).

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

23115442202144 is a wasteful number, since it uses less digits than its factorization.

23115442202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34011297 (or 34011289 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 23115442202144 its reverse (44120224451132), we get a palindrome (67235666653276).

The spelling of 23115442202144 in words is "twenty-three trillion, one hundred fifteen billion, four hundred forty-two million, two hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 67 134 268 317 536 634 1072 1268 2144 2536 5072 10144 21239 42478 84956 169912 339824 679648 34010903 68021806 136043612 272087224 544174448 1088348896 2278730501 4557461002 9114922004 10781456251 18229844008 21562912502 36459688016 43125825004 72919376032 86251650008 172503300016 345006600032 722357568817 1444715137634 2889430275268 5778860550536 11557721101072 23115442202144