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30013689792 = 263463337627
BaseRepresentation
bin11011111100111101…
…001000111111000000
32212110201001102020110
4123330331020333000
5442432001033132
621442121311320
72111524103532
oct337475107700
985421042213
1030013689792
1111801a44409
125997635540
132aa4179278
14164a1ad852
15ba9e301cc
hex6fcf48fc0

30013689792 has 56 divisors (see below), whose sum is σ = 79582971136. Its totient is φ = 9982925568.

The previous prime is 30013689791. The next prime is 30013689821. The reversal of 30013689792 is 29798631003.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013689791) 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, 79918 + ... + 257709.

Almost surely, 230013689792 is an apocalyptic number.

30013689792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30013689792 is an abundant number, since it is smaller than the sum of its proper divisors (49569281344).

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

30013689792 is a wasteful number, since it uses less digits than its factorization.

30013689792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338105 (or 338095 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 30013689792 in words is "thirty billion, thirteen million, six hundred eighty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 463 926 1389 1852 2778 3704 5556 7408 11112 14816 22224 29632 44448 88896 337627 675254 1012881 1350508 2025762 2701016 4051524 5402032 8103048 10804064 16206096 21608128 32412192 64824384 156321301 312642602 468963903 625285204 937927806 1250570408 1875855612 2501140816 3751711224 5002281632 7503422448 10004563264 15006844896 30013689792