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20342937996 = 2233474007671
BaseRepresentation
bin10010111100100010…
…001001100110001100
31221111201211022202000
4102330202021212030
5313130243003441
613202335432300
71320055056063
oct227442114614
957451738660
1020342937996
11869a070457
123b38985690
131bc275a624
14dada751da
157e0e0c2b6
hex4bc88998c

20342937996 has 48 divisors (see below), whose sum is σ = 53863111680. Its totient is φ = 6636701520.

The previous prime is 20342937947. The next prime is 20342938003. The reversal of 20342937996 is 69973924302.

20342937996 is a `hidden beast` number, since 203 + 429 + 3 + 7 + 9 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1998760 + ... + 2008911.

It is an arithmetic number, because the mean of its divisors is an integer number (1122148160).

Almost surely, 220342937996 is an apocalyptic number.

It is an amenable number.

20342937996 is an abundant number, since it is smaller than the sum of its proper divisors (33520173684).

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

20342937996 is a wasteful number, since it uses less digits than its factorization.

20342937996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007731 (or 4007723 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 20342937996 in words is "twenty billion, three hundred forty-two million, nine hundred thirty-seven thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 2538 5076 4007671 8015342 12023013 16030684 24046026 36069039 48092052 72138078 108207117 144276156 188360537 216414234 376721074 432828468 565081611 753442148 1130163222 1695244833 2260326444 3390489666 5085734499 6780979332 10171468998 20342937996