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42808132983 = 3721122406709
BaseRepresentation
bin100111110111100100…
…000100010101110111
311002111101001110202210
4213313210010111313
51200132340223413
631355450504503
73043553061300
oct476744042567
9132441043683
1042808132983
1117178090a00
128368435133
134062a99605
14210150b7a7
1511a82cb3c3
hex9f7904577

42808132983 has 36 divisors (see below), whose sum is σ = 72981074040. Its totient is φ = 22237981920.

The previous prime is 42808132981. The next prime is 42808132987. The reversal of 42808132983 is 38923180824.

It is not a de Polignac number, because 42808132983 - 21 = 42808132981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42808132981) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1185568 + ... + 1221141.

Almost surely, 242808132983 is an apocalyptic number.

42808132983 is a deficient number, since it is larger than the sum of its proper divisors (30172941057).

42808132983 is a wasteful number, since it uses less digits than its factorization.

42808132983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406748 (or 2406730 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 42808132983 in words is "forty-two billion, eight hundred eight million, one hundred thirty-two thousand, nine hundred eighty-three".

Divisors: 1 3 7 11 21 33 49 77 121 147 231 363 539 847 1617 2541 5929 17787 2406709 7220127 16846963 26473799 50540889 79421397 117928741 185316593 291211789 353786223 555949779 873635367 1297216151 2038482523 3891648453 6115447569 14269377661 42808132983