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20312333038 = 237274490987
BaseRepresentation
bin10010111010101101…
…011001101011101110
31221102121020102122001
4102322231121223232
5313044424124123
613155323442514
71316233660564
oct227255315356
957377212561
1020312333038
1186838674a8
123b2a68643a
131bb930319a
14da9989a34
157dd3b40ad
hex4bab59aee

20312333038 has 8 divisors (see below), whose sum is σ = 31291972632. Its totient is φ = 9881675496.

The previous prime is 20312333009. The next prime is 20312333039. The reversal of 20312333038 is 83033321302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20312332997 and 20312333015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312333039) 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, 137245420 + ... + 137245567.

It is an arithmetic number, because the mean of its divisors is an integer number (3911496579).

Almost surely, 220312333038 is an apocalyptic number.

20312333038 is a deficient number, since it is larger than the sum of its proper divisors (10979639594).

20312333038 is a wasteful number, since it uses less digits than its factorization.

20312333038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274491026.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 20312333038 in words is "twenty billion, three hundred twelve million, three hundred thirty-three thousand, thirty-eight".

Divisors: 1 2 37 74 274490987 548981974 10156166519 20312333038