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13124412334520 = 2352314265665581
BaseRepresentation
bin1011111011111100001111…
…1011110110000110111000
31201110200101212020221211222
42332333003323312012320
53210012244024201040
643525134412411212
72523131113114004
oct276770373660670
951420355227758
1013124412334520
114200039679073
12157b723176b08
1374281c033ac6
14335321377704
1517b5e1bb0bb5
hexbefc3ef61b8

13124412334520 has 32 divisors (see below), whose sum is σ = 30813837657120. Its totient is φ = 5021514284160.

The previous prime is 13124412334519. The next prime is 13124412334603. The reversal of 13124412334520 is 2543321442131.

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, 7132831871 + ... + 7132833710.

It is an arithmetic number, because the mean of its divisors is an integer number (962932426785).

Almost surely, 213124412334520 is an apocalyptic number.

13124412334520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124412334520 is an abundant number, since it is smaller than the sum of its proper divisors (17689425322600).

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

13124412334520 is a wasteful number, since it uses less digits than its factorization.

13124412334520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265665615 (or 14265665611 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13124412334520 its reverse (2543321442131), we get a palindrome (15667733776651).

The spelling of 13124412334520 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twelve million, three hundred thirty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 14265665581 28531331162 57062662324 71328327905 114125324648 142656655810 285313311620 328110308363 570626623240 656220616726 1312441233452 1640551541815 2624882466904 3281103083630 6562206167260 13124412334520