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7936040020 = 2258310314637
BaseRepresentation
bin1110110010000011…
…00101110001010100
3202111002001121022011
413121001211301110
5112223111240040
63351252514004
7400443140626
oct73101456124
922432047264
107936040020
113402762367
12165591b904
1399620a88c
14553db8c16
15316ab43ea
hex1d9065c54

7936040020 has 48 divisors (see below), whose sum is σ = 16886475648. Its totient is φ = 3132452480.

The previous prime is 7936040017. The next prime is 7936040029. The reversal of 7936040020 is 200406397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7936040029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709142 + ... + 1713778.

It is an arithmetic number, because the mean of its divisors is an integer number (351801576).

Almost surely, 27936040020 is an apocalyptic number.

It is an amenable number.

7936040020 is an abundant number, since it is smaller than the sum of its proper divisors (8950435628).

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

7936040020 is a wasteful number, since it uses less digits than its factorization.

7936040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760 (or 5758 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7936040020 is about 89084.4544238780. The cubic root of 7936040020 is about 1994.6557337959.

The spelling of 7936040020 in words is "seven billion, nine hundred thirty-six million, forty thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1031 1660 2062 4124 4637 5155 9274 10310 18548 20620 23185 46370 85573 92740 171146 342292 384871 427865 769742 855730 1539484 1711460 1924355 3848710 4780747 7697420 9561494 19122988 23903735 47807470 95614940 396802001 793604002 1587208004 1984010005 3968020010 7936040020