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331001299972 = 227113104614823
BaseRepresentation
bin1001101000100010011…
…01110000010000000100
31011122101001100020110101
410310101031300100010
520410342313044342
6412020534333444
732625343425160
oct4642115602004
91148331306411
10331001299972
11118416671872
12541977ba284
13252a07977a5
1412040555ca0
1589241743b7
hex4d11370404

331001299972 has 24 divisors (see below), whose sum is σ = 667861036416. Its totient is φ = 140602320768.

The previous prime is 331001299963. The next prime is 331001299973. The reversal of 331001299972 is 279992100133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (331001299973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52304248 + ... + 52310575.

It is an arithmetic number, because the mean of its divisors is an integer number (27827543184).

Almost surely, 2331001299972 is an apocalyptic number.

It is an amenable number.

331001299972 is an abundant number, since it is smaller than the sum of its proper divisors (336859736444).

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

331001299972 is a wasteful number, since it uses less digits than its factorization.

331001299972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104614947 (or 104614945 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 331001299972 in words is "three hundred thirty-one billion, one million, two hundred ninety-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 3164 104614823 209229646 418459292 732303761 1464607522 2929215044 11821474999 23642949998 47285899996 82750324993 165500649986 331001299972