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38797133680 = 245829584999
BaseRepresentation
bin100100001000011111…
…010100011101110000
310201010211122121010001
4210020133110131300
51113424031234210
625453445115344
72542300123624
oct441037243560
9121124577101
1038797133680
11154a9a74848
1276290b8b54
133873ac6546
141c40933184
1510210d203a
hex9087d4770

38797133680 has 40 divisors (see below), whose sum is σ = 90312300000. Its totient is φ = 15500107008.

The previous prime is 38797133659. The next prime is 38797133681. The reversal of 38797133680 is 8633179783.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797133681) 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, 226180 + ... + 358819.

It is an arithmetic number, because the mean of its divisors is an integer number (2257807500).

Almost surely, 238797133680 is an apocalyptic number.

It is an amenable number.

38797133680 is an abundant number, since it is smaller than the sum of its proper divisors (51515166320).

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

38797133680 is a wasteful number, since it uses less digits than its factorization.

38797133680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585841 (or 585835 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 38797133680 in words is "thirty-eight billion, seven hundred ninety-seven million, one hundred thirty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 829 1658 3316 4145 6632 8290 13264 16580 33160 66320 584999 1169998 2339996 2924995 4679992 5849990 9359984 11699980 23399960 46799920 484964171 969928342 1939856684 2424820855 3879713368 4849641710 7759426736 9699283420 19398566840 38797133680