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7742496020 = 225795358031
BaseRepresentation
bin1110011010111110…
…10001110100010100
3201222120212112211212
413031133101310110
5111324034333040
63320140320552
7362603062460
oct71537216424
921876775755
107742496020
113313489946
121600b43158
139650a3cbc
145363d74a0
15304ad2d65
hex1cd7d1d14

7742496020 has 48 divisors (see below), whose sum is σ = 18601809408. Its totient is φ = 2651738880.

The previous prime is 7742496019. The next prime is 7742496037. The reversal of 7742496020 is 206942477.

It is a congruent number.

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, 104405 + ... + 162435.

It is an arithmetic number, because the mean of its divisors is an integer number (387537696).

Almost surely, 27742496020 is an apocalyptic number.

7742496020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7742496020 is an abundant number, since it is smaller than the sum of its proper divisors (10859313388).

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

7742496020 is a wasteful number, since it uses less digits than its factorization.

7742496020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59000 (or 58998 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 7742496020 is about 87991.4542441481. The cubic root of 7742496020 is about 1978.3068902090.

The spelling of 7742496020 in words is "seven billion, seven hundred forty-two million, four hundred ninety-six thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 953 1906 3812 4765 6671 9530 13342 19060 26684 33355 58031 66710 116062 133420 232124 290155 406217 580310 812434 1160620 1624868 2031085 4062170 8124340 55303543 110607086 221214172 276517715 387124801 553035430 774249602 1106070860 1548499204 1935624005 3871248010 7742496020