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20100013231004 = 2275915180576677
BaseRepresentation
bin1001001000111111001100…
…01001100000101110011100
32122011112122111000001102122
410210133212021200232130
510113304311341343004
6110425452452442112
74143115031324510
oct444374611405634
978145574001378
1020100013231004
11644a40550a853
122307625919338
13b2a566776875
144d6bbad64140
1524ccaa335cbe
hex1247e6260b9c

20100013231004 has 48 divisors (see below), whose sum is σ = 41152120988160. Its totient is φ = 8412204974400.

The previous prime is 20100013230929. The next prime is 20100013231019. The reversal of 20100013231004 is 40013231000102.

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, 40038887 + ... + 40537790.

It is an arithmetic number, because the mean of its divisors is an integer number (857335853920).

Almost surely, 220100013231004 is an apocalyptic number.

It is an amenable number.

20100013231004 is an abundant number, since it is smaller than the sum of its proper divisors (21052107757156).

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

20100013231004 is a wasteful number, since it uses less digits than its factorization.

20100013231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80576898 (or 80576896 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20100013231004 its reverse (40013231000102), we get a palindrome (60113244231106).

The spelling of 20100013231004 in words is "twenty trillion, one hundred billion, thirteen million, two hundred thirty-one thousand, four".

Divisors: 1 2 4 7 14 28 59 118 151 236 302 413 604 826 1057 1652 2114 4228 8909 17818 35636 62363 124726 249452 80576677 161153354 322306708 564036739 1128073478 2256146956 4754023943 9508047886 12167078227 19016095772 24334156454 33278167601 48668312908 66556335202 85169547589 133112670404 170339095178 340678190356 717857615393 1435715230786 2871430461572 5025003307751 10050006615502 20100013231004