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331220030010 = 23523480029029
BaseRepresentation
bin1001101000111100100…
…00001001001000111010
31011122221021220212122220
410310132100021020322
520411314311430020
6412054350424510
732633640542112
oct4643620111072
91148837825586
10331220030010
111185190879a1
1254238b02136
1325306bac14c
1412061612042
15893847d240
hex4d1e40923a

331220030010 has 32 divisors (see below), whose sum is σ = 829490163840. Its totient is φ = 84485108928.

The previous prime is 331220029999. The next prime is 331220030023. The reversal of 331220030010 is 10030022133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240013825 + ... + 240015204.

It is an arithmetic number, because the mean of its divisors is an integer number (25921567620).

Almost surely, 2331220030010 is an apocalyptic number.

331220030010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331220030010 is an abundant number, since it is smaller than the sum of its proper divisors (498270133830).

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

331220030010 is a wasteful number, since it uses less digits than its factorization.

331220030010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480029062.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 331220030010 its reverse (10030022133), we get a palindrome (341250052143).

The spelling of 331220030010 in words is "three hundred thirty-one billion, two hundred twenty million, thirty thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 480029029 960058058 1440087087 2400145145 2880174174 4800290290 7200435435 11040667667 14400870870 22081335334 33122003001 55203338335 66244006002 110406676670 165610015005 331220030010