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111830262131380 = 225132373283905209
BaseRepresentation
bin11001011011010110000011…
…000011001010101010110100
3112122221212110020122111121111
4121123112003003022222310
5104124211334101201010
61033502040241124404
732361320101116112
oct3133260303125264
9478855406574544
10111830262131380
11326a5a47623011
1210661554629704
134a52718caab80
141d888838b0ab2
15cdde65dc358a
hex65b5830caab4

111830262131380 has 192 divisors, whose sum is σ = 268465183096320. Its totient is φ = 38817172905984.

The previous prime is 111830262131369. The next prime is 111830262131429. The reversal of 111830262131380 is 83131262038111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123088216 + ... + 123993424.

It is an arithmetic number, because the mean of its divisors is an integer number (1398256161960).

Almost surely, 2111830262131380 is an apocalyptic number.

111830262131380 is a gapful number since it is divisible by the number (10) 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 111830262131380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134232591548160).

111830262131380 is an abundant number, since it is smaller than the sum of its proper divisors (156634920964940).

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

111830262131380 is a wasteful number, since it uses less digits than its factorization.

111830262131380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905610 (or 905608 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 111830262131380 in words is "one hundred eleven trillion, eight hundred thirty billion, two hundred sixty-two million, one hundred thirty-one thousand, three hundred eighty".