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10042020312 = 233418417513
BaseRepresentation
bin10010101101000110…
…10001000111011000
3221220211211111011020
421112203101013120
5131031224122222
64340243202440
7503564523102
oct112643210730
927824744136
1010042020312
114293505545
121b43076420
13c4061076c
146b3980572
153db90d65c
hex2568d11d8

10042020312 has 16 divisors (see below), whose sum is σ = 25105050840. Its totient is φ = 3347340096.

The previous prime is 10042020311. The next prime is 10042020319. The reversal of 10042020312 is 21302024001.

It is a junction number, because it is equal to n+sod(n) for n = 10042020291 and 10042020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209208733 + ... + 209208780.

Almost surely, 210042020312 is an apocalyptic number.

10042020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10042020312 is an abundant number, since it is smaller than the sum of its proper divisors (15063030528).

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

10042020312 is a wasteful number, since it uses less digits than its factorization.

10042020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418417522 (or 418417518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10042020312 its reverse (21302024001), we get a palindrome (31344044313).

The spelling of 10042020312 in words is "ten billion, forty-two million, twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 418417513 836835026 1255252539 1673670052 2510505078 3347340104 5021010156 10042020312