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30748199502 = 236733976103
BaseRepresentation
bin11100101000101111…
…000100101001001110
32221100220011101010210
4130220233010221032
51000433014341002
622043040343250
72135653245336
oct345057045116
987326141123
1030748199502
1112049614429
125b61614b26
132b903ac1b7
1416b996c0c6
15bee66c96c
hex728bc4a4e

30748199502 has 16 divisors (see below), whose sum is σ = 61498120320. Its totient is φ = 10249112952.

The previous prime is 30748199483. The next prime is 30748199513. The reversal of 30748199502 is 20599184703.

It is a super-2 number, since 2×307481995022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365983 + ... + 442085.

It is an arithmetic number, because the mean of its divisors is an integer number (3843632520).

Almost surely, 230748199502 is an apocalyptic number.

30748199502 is an abundant number, since it is smaller than the sum of its proper divisors (30749920818).

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

30748199502 is a wasteful number, since it uses less digits than its factorization.

30748199502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143447.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 30748199502 in words is "thirty billion, seven hundred forty-eight million, one hundred ninety-nine thousand, five hundred two".

Divisors: 1 2 3 6 67339 76103 134678 152206 202017 228309 404034 456618 5124699917 10249399834 15374099751 30748199502