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30263356136 = 2313290993809
BaseRepresentation
bin11100001011110101…
…100010101011101000
32220010002211210002002
4130023311202223220
5443434404344021
621523000430132
72120645165666
oct341365425350
986102753062
1030263356136
111191a96a432
125a47178348
132b13b02b30
1416713ddc36
15bc1cea50b
hex70bd62ae8

30263356136 has 16 divisors (see below), whose sum is σ = 61108700100. Its totient is φ = 13967702784.

The previous prime is 30263356133. The next prime is 30263356147. The reversal of 30263356136 is 63165336203.

It can be written as a sum of positive squares in 2 ways, for example, as 29946302500 + 317053636 = 173050^2 + 17806^2 .

It is a super-2 number, since 2×302633561362 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30263356136.

It is not an unprimeable number, because it can be changed into a prime (30263356133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145496801 + ... + 145497008.

Almost surely, 230263356136 is an apocalyptic number.

It is an amenable number.

30263356136 is an abundant number, since it is smaller than the sum of its proper divisors (30845343964).

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

30263356136 is a wasteful number, since it uses less digits than its factorization.

30263356136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290993828 (or 290993824 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 38.

The spelling of 30263356136 in words is "thirty billion, two hundred sixty-three million, three hundred fifty-six thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 290993809 581987618 1163975236 2327950472 3782919517 7565839034 15131678068 30263356136