Search a number
-
+
23440215040120 = 2352163732708311
BaseRepresentation
bin1010101010001100110011…
…01100001110000001111000
310001222212021212222212012001
411111012121230032001320
511033021030022240440
6121504141445430344
74636333244255644
oct525063154160170
9101885255885161
1023440215040120
117517a37339a5a
122766a5470b3b4
131010530c264a8
145b072629dc24
152a9b017d5b9a
hex155199b0e078

23440215040120 has 32 divisors (see below), whose sum is σ = 52740747061920. Its totient is φ = 9376039221120.

The previous prime is 23440215040097. The next prime is 23440215040241. The reversal of 23440215040120 is 2104051204432.

It is a super-2 number, since 2×234402150401202 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 7300765 + ... + 10009075.

It is an arithmetic number, because the mean of its divisors is an integer number (1648148345685).

Almost surely, 223440215040120 is an apocalyptic number.

23440215040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23440215040120 is an abundant number, since it is smaller than the sum of its proper divisors (29300532021800).

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

23440215040120 is a wasteful number, since it uses less digits than its factorization.

23440215040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924695 (or 2924691 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 23440215040120 its reverse (2104051204432), we get a palindrome (25544266244552).

The spelling of 23440215040120 in words is "twenty-three trillion, four hundred forty billion, two hundred fifteen million, forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 216373 432746 865492 1081865 1730984 2163730 2708311 4327460 5416622 8654920 10833244 13541555 21666488 27083110 54166220 108332440 586005376003 1172010752006 2344021504012 2930026880015 4688043008024 5860053760030 11720107520060 23440215040120