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12149953502 = 219131806161
BaseRepresentation
bin10110101000011000…
…11001001111011110
31011100202021120212212
423110030121033132
5144340342003002
65325343400422
7610041620651
oct132414311736
934322246785
1012149953502
115175371995
122430bb3112
1311b82484cb
148338d3898
154b19e1352
hex2d43193de

12149953502 has 8 divisors (see below), whose sum is σ = 18320349312. Its totient is φ = 6043170400.

The previous prime is 12149953471. The next prime is 12149953507. The reversal of 12149953502 is 20535994121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12149953502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149953507) 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, 15902699 + ... + 15903462.

It is an arithmetic number, because the mean of its divisors is an integer number (2290043664).

Almost surely, 212149953502 is an apocalyptic number.

12149953502 is a deficient number, since it is larger than the sum of its proper divisors (6170395810).

12149953502 is a wasteful number, since it uses less digits than its factorization.

12149953502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31806354.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 12149953502 in words is "twelve billion, one hundred forty-nine million, nine hundred fifty-three thousand, five hundred two".

Divisors: 1 2 191 382 31806161 63612322 6074976751 12149953502