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20314432304140 = 22513292694221791
BaseRepresentation
bin1001001111001110100101…
…00001010111010000001100
32122221001002201022112202211
410213213102201113100030
510130312424132213030
6111112153225400204
74164445366350562
oct447472241272014
978831081275684
1020314432304140
116522336492017
1223410a6339064
13b44848163780
1450331c049a32
152536595bd12a
hex1279d285740c

20314432304140 has 48 divisors (see below), whose sum is σ = 47526072410880. Its totient is φ = 7242068171520.

The previous prime is 20314432304069. The next prime is 20314432304141. The reversal of 20314432304140 is 4140323441302.

It is a super-2 number, since 2×203144323041402 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20314432304141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347103356 + ... + 1347118435.

It is an arithmetic number, because the mean of its divisors is an integer number (990126508560).

Almost surely, 220314432304140 is an apocalyptic number.

20314432304140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20314432304140 is an abundant number, since it is smaller than the sum of its proper divisors (27211640106740).

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

20314432304140 is a wasteful number, since it uses less digits than its factorization.

20314432304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694221842 (or 2694221840 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20314432304140 its reverse (4140323441302), we get a palindrome (24454755745442).

The spelling of 20314432304140 in words is "twenty trillion, three hundred fourteen billion, four hundred thirty-two million, three hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 29 52 58 65 116 130 145 260 290 377 580 754 1508 1885 3770 7540 2694221791 5388443582 10776887164 13471108955 26942217910 35024883283 53884435820 70049766566 78132431939 140099533132 156264863878 175124416415 312529727756 350248832830 390662159695 700497665660 781324319390 1015721615207 1562648638780 2031443230414 4062886460828 5078608076035 10157216152070 20314432304140