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30031300988 = 22131513824669
BaseRepresentation
bin11011111110000000…
…010100100101111100
32212111221012011020222
4123332000110211330
5443001003112423
621443551000512
72112126563243
oct337600244574
985457164228
1030031300988
1111810982a17
1259a1509138
132aa7a042b0
14164c67595a
15bab75d3c8
hex6fe01497c

30031300988 has 24 divisors (see below), whose sum is σ = 56972284320. Its totient is φ = 13768804800.

The previous prime is 30031300967. The next prime is 30031300993. The reversal of 30031300988 is 88900313003.

It is a super-2 number, since 2×300313009882 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904483 + ... + 1920186.

It is an arithmetic number, because the mean of its divisors is an integer number (2373845180).

Almost surely, 230031300988 is an apocalyptic number.

It is an amenable number.

30031300988 is a deficient number, since it is larger than the sum of its proper divisors (26940983332).

30031300988 is a wasteful number, since it uses less digits than its factorization.

30031300988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824837 (or 3824835 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 30031300988 in words is "thirty billion, thirty-one million, three hundred thousand, nine hundred eighty-eight".

Divisors: 1 2 4 13 26 52 151 302 604 1963 3926 7852 3824669 7649338 15298676 49720697 99441394 198882788 577525019 1155050038 2310100076 7507825247 15015650494 30031300988