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30553747992 = 2333691204707
BaseRepresentation
bin11100011101001001…
…010011001000011000
32220212100021012211000
4130131021103020120
51000033224413432
622011452505000
72131102400325
oct343511231030
986770235730
1030553747992
1111a598810a9
125b0847b160
132b5c018531
14169bbd1b4c
15bdc55c57c
hex71d253218

30553747992 has 64 divisors (see below), whose sum is σ = 84994761600. Its totient is φ = 10169794080.

The previous prime is 30553747949. The next prime is 30553748033. The reversal of 30553747992 is 29974735503.

30553747992 is a `hidden beast` number, since 3 + 0 + 55 + 37 + 479 + 92 = 666.

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

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, 46903 + ... + 251609.

It is an arithmetic number, because the mean of its divisors is an integer number (1328043150).

Almost surely, 230553747992 is an apocalyptic number.

It is an amenable number.

30553747992 is an abundant number, since it is smaller than the sum of its proper divisors (54441013608).

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

30553747992 is a wasteful number, since it uses less digits than its factorization.

30553747992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205413 (or 205403 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The spelling of 30553747992 in words is "thirty billion, five hundred fifty-three million, seven hundred forty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 691 1382 2073 2764 4146 5528 6219 8292 12438 16584 18657 24876 37314 49752 74628 149256 204707 409414 614121 818828 1228242 1637656 1842363 2456484 3684726 4912968 5527089 7369452 11054178 14738904 22108356 44216712 141452537 282905074 424357611 565810148 848715222 1131620296 1273072833 1697430444 2546145666 3394860888 3819218499 5092291332 7638436998 10184582664 15276873996 30553747992