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30313222032 = 2433196721067
BaseRepresentation
bin11100001110110011…
…110000111110010000
32220020120200020020010
4130032303300332100
5444040141101112
621531541314520
72122122064422
oct341663607620
986216606203
1030313222032
1111946029415
125a5ba05a40
132b21242192
141677ca0812
15bc639a63c
hex70ecf0f90

30313222032 has 80 divisors (see below), whose sum is σ = 80922693632. Its totient is φ = 9767882880.

The previous prime is 30313221997. The next prime is 30313222033. The reversal of 30313222032 is 23022231303.

It is a super-2 number, since 2×303132220322 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30313222033) 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, 1428363 + ... + 1449429.

Almost surely, 230313222032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30313222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40461346816).

30313222032 is an abundant number, since it is smaller than the sum of its proper divisors (50609471600).

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

30313222032 is a wasteful number, since it uses less digits than its factorization.

30313222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22076 (or 22070 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30313222032 its reverse (23022231303), we get a palindrome (53335453335).

The spelling of 30313222032 in words is "thirty billion, three hundred thirteen million, two hundred twenty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 967 1488 1934 2901 3868 5802 7736 11604 15472 21067 23208 29977 42134 46416 59954 63201 84268 89931 119908 126402 168536 179862 239816 252804 337072 359724 479632 505608 653077 719448 1011216 1306154 1438896 1959231 2612308 3918462 5224616 7836924 10449232 15673848 20371789 31347696 40743578 61115367 81487156 122230734 162974312 244461468 325948624 488922936 631525459 977845872 1263050918 1894576377 2526101836 3789152754 5052203672 7578305508 10104407344 15156611016 30313222032