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23110403140 = 22511157669091
BaseRepresentation
bin10101100001011111…
…001100010001000100
32012122121022010020001
4111201133030101010
5334312230400030
614341120051044
71445461120426
oct254137142104
965577263201
1023110403140
11988a246a30
12458b763a84
132243c05b76
14119342a816
15903d6bcca
hex5617cc444

23110403140 has 48 divisors (see below), whose sum is σ = 53281134144. Its totient is φ = 8350243200.

The previous prime is 23110403101. The next prime is 23110403213. The reversal of 23110403140 is 4130401132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300006 + ... + 369085.

It is an arithmetic number, because the mean of its divisors is an integer number (1110023628).

Almost surely, 223110403140 is an apocalyptic number.

23110403140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110403140 is an abundant number, since it is smaller than the sum of its proper divisors (30170731004).

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

23110403140 is a wasteful number, since it uses less digits than its factorization.

23110403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669268 (or 669266 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23110403140 its reverse (4130401132), we get a palindrome (27240804272).

The spelling of 23110403140 in words is "twenty-three billion, one hundred ten million, four hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 157 220 314 628 785 1570 1727 3140 3454 6908 8635 17270 34540 669091 1338182 2676364 3345455 6690910 7360001 13381820 14720002 29440004 36800005 73600010 105047287 147200020 210094574 420189148 525236435 1050472870 1155520157 2100945740 2311040314 4622080628 5777600785 11555201570 23110403140