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113461287768 = 233273102121143
BaseRepresentation
bin110100110101011010…
…0011101101101011000
3101211212022102121120100
41221222310131231120
53324332042202033
6124042353055400
711124451014303
oct1515264355530
9354768377510
10113461287768
1144133a36914
1219ba5b57560
13a912630b8a
1456c4b85b3a
152e40e09513
hex1a6ad1db58

113461287768 has 96 divisors (see below), whose sum is σ = 311820294240. Its totient is φ = 37264043520.

The previous prime is 113461287763. The next prime is 113461287773. The reversal of 113461287768 is 867782164311.

113461287768 is a `hidden beast` number, since 1 + 13 + 4 + 612 + 8 + 7 + 7 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (113461287763) and next prime (113461287773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113461287763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5355805 + ... + 5376947.

It is an arithmetic number, because the mean of its divisors is an integer number (3248128065).

Almost surely, 2113461287768 is an apocalyptic number.

113461287768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113461287768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155910147120).

113461287768 is an abundant number, since it is smaller than the sum of its proper divisors (198359006472).

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

113461287768 is a wasteful number, since it uses less digits than its factorization.

113461287768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22249 (or 22242 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 113461287768 in words is "one hundred thirteen billion, four hundred sixty-one million, two hundred eighty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 73 146 219 292 438 584 657 876 1021 1314 1752 2042 2628 3063 4084 5256 6126 8168 9189 12252 18378 21143 24504 36756 42286 63429 73512 74533 84572 126858 149066 169144 190287 223599 253716 298132 380574 447198 507432 596264 670797 761148 894396 1341594 1522296 1543439 1788792 2683188 3086878 4630317 5366376 6173756 9260634 12347512 13890951 18521268 21587003 27781902 37042536 43174006 55563804 64761009 86348012 111127608 129522018 172696024 194283027 259044036 388566054 518088072 777132108 1554264216 1575851219 3151702438 4727553657 6303404876 9455107314 12606809752 14182660971 18910214628 28365321942 37820429256 56730643884 113461287768