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20100131010032 = 241256258188127
BaseRepresentation
bin1001001000111111011010…
…01010110011010111110000
32122011112221200121211212212
410210133231022303113300
510113310032014310112
6110425512301111252
74143120661405553
oct444375512632760
978145850554785
1020100131010032
11644a465a44997
122307659258528
13b2a584ca38b8
144d6bcc86269a
1524ccb584d522
hex1247ed2b35f0

20100131010032 has 10 divisors (see below), whose sum is σ = 38944003831968. Its totient is φ = 10050065505008.

The previous prime is 20100131010017. The next prime is 20100131010059. The reversal of 20100131010032 is 23001013100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100131009989 and 20100131010016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628129094048 + ... + 628129094079.

Almost surely, 220100131010032 is an apocalyptic number.

It is an amenable number.

20100131010032 is a deficient number, since it is larger than the sum of its proper divisors (18843872821936).

20100131010032 is a wasteful number, since it uses less digits than its factorization.

20100131010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256258188135 (or 1256258188129 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20100131010032 its reverse (23001013100102), we get a palindrome (43101144110134).

The spelling of 20100131010032 in words is "twenty trillion, one hundred billion, one hundred thirty-one million, ten thousand, thirty-two".

Divisors: 1 2 4 8 16 1256258188127 2512516376254 5025032752508 10050065505016 20100131010032