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11611057304 = 2371121118929
BaseRepresentation
bin10101101000001001…
…01010110010011000
31002222012020211021102
422310010222302120
5142234412313204
65200053130532
7560506234010
oct126404526230
932865224242
1011611057304
114a19159230
122300629a48
1311306c5112
147c20d4c40
1547e54341e
hex2b412ac98

11611057304 has 64 divisors (see below), whose sum is σ = 27158630400. Its totient is φ = 4521139200.

The previous prime is 11611057253. The next prime is 11611057387. The reversal of 11611057304 is 40375011611.

It is a happy number.

It is a congruent number.

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, 1295912 + ... + 1304840.

It is an arithmetic number, because the mean of its divisors is an integer number (424353600).

Almost surely, 211611057304 is an apocalyptic number.

11611057304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11611057304 is an abundant number, since it is smaller than the sum of its proper divisors (15547573096).

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

11611057304 is a wasteful number, since it uses less digits than its factorization.

11611057304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064 (or 11060 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 11611057304 its reverse (40375011611), we get a palindrome (51986068915).

The spelling of 11611057304 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, three hundred four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 2111 4222 8444 8929 14777 16888 17858 23221 29554 35716 46442 59108 62503 71432 92884 98219 118216 125006 162547 185768 196438 250012 325094 392876 500024 650188 687533 785752 1300376 1375066 2750132 5500264 18849119 37698238 75396476 131943833 150792952 207340309 263887666 414680618 527775332 829361236 1055550664 1451382163 1658722472 2902764326 5805528652 11611057304