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42808931796 = 2234050788069
BaseRepresentation
bin100111110111100111…
…000111010111010100
311002111102120001112110
4213313213013113110
51200133041304141
631355515551020
73043562626221
oct476747072724
9132442501473
1042808931796
1117178587084
12836875b470
134062cb9097
142101678948
1511a83d7e16
hex9f79c75d4

42808931796 has 24 divisors (see below), whose sum is σ = 99891107680. Its totient is φ = 14269129632.

The previous prime is 42808931731. The next prime is 42808931801. The reversal of 42808931796 is 69713980824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442050 + ... + 530118.

Almost surely, 242808931796 is an apocalyptic number.

It is an amenable number.

42808931796 is an abundant number, since it is smaller than the sum of its proper divisors (57082175884).

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

42808931796 is a wasteful number, since it uses less digits than its factorization.

42808931796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128583 (or 128581 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 42808931796 in words is "forty-two billion, eight hundred eight million, nine hundred thirty-one thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 40507 81014 88069 121521 162028 176138 243042 264207 352276 486084 528414 1056828 3567410983 7134821966 10702232949 14269643932 21404465898 42808931796