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672426036940 = 22574803043121
BaseRepresentation
bin10011100100011111011…
…01110000111011001100
32101021122112012221101211
421302033231300323030
542004112031140230
61232524103344204
766403226002450
oct11621755607314
92337575187354
10672426036940
1123a1a0a71079
12aa3a2152064
134b5428a8978
142478d176660
151275844942a
hex9c8fb70ecc

672426036940 has 24 divisors (see below), whose sum is σ = 1613822488992. Its totient is φ = 230546069760.

The previous prime is 672426036929. The next prime is 672426036941. The reversal of 672426036940 is 49630624276.

It is a super-3 number, since 3×6724260369403 (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (672426036941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401521421 + ... + 2401521700.

It is an arithmetic number, because the mean of its divisors is an integer number (67242603708).

Almost surely, 2672426036940 is an apocalyptic number.

It is an amenable number.

672426036940 is an abundant number, since it is smaller than the sum of its proper divisors (941396452052).

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

672426036940 is a wasteful number, since it uses less digits than its factorization.

672426036940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803043137 (or 4803043135 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 672426036940 in words is "six hundred seventy-two billion, four hundred twenty-six million, thirty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4803043121 9606086242 19212172484 24015215605 33621301847 48030431210 67242603694 96060862420 134485207388 168106509235 336213018470 672426036940