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9993800952 = 2333277716661
BaseRepresentation
bin10010100111010110…
…10100110011111000
3221210111002200122000
421103223110303320
5130431403112302
64331401501000
7502440622632
oct112353246370
927714080560
109993800952
114269270633
121b2aaa1760
13c336299b5
146ab3cba52
153d758631c
hex253ad4cf8

9993800952 has 64 divisors (see below), whose sum is σ = 27772221600. Its totient is φ = 3329867520.

The previous prime is 9993800933. The next prime is 9993800953. The reversal of 9993800952 is 2590083999.

It is a super-2 number, since 2×99938009522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993800953) 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, 591502 + ... + 608162.

Almost surely, 29993800952 is an apocalyptic number.

It is an amenable number.

9993800952 is an abundant number, since it is smaller than the sum of its proper divisors (17778420648).

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

9993800952 is a wasteful number, since it uses less digits than its factorization.

9993800952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19453 (or 19443 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 9993800952 is about 99968.9999549860. Note that the first 4 decimals coincide. The cubic root of 9993800952 is about 2153.9894165416.

The spelling of 9993800952 in words is "nine billion, nine hundred ninety-three million, eight hundred thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 2777 5554 8331 11108 16661 16662 22216 24993 33322 33324 49983 49986 66644 66648 74979 99966 99972 133288 149949 149958 199932 199944 299898 299916 399864 449847 599796 599832 899694 1199592 1799388 3598776 46267597 92535194 138802791 185070388 277605582 370140776 416408373 555211164 832816746 1110422328 1249225119 1665633492 2498450238 3331266984 4996900476 9993800952