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12693524532 = 22313159750951
BaseRepresentation
bin10111101001001011…
…11101000000110100
31012202122002212011020
423310211331000310
5201444020241112
65455322141140
7626362115103
oct136445750064
935678085136
1012693524532
115424188947
1225630517b0
131273a47680
14885b8c03a
154e45b448c
hex2f497d034

12693524532 has 48 divisors (see below), whose sum is σ = 31917148032. Its totient is φ = 3903177600.

The previous prime is 12693524531. The next prime is 12693524537. The reversal of 12693524532 is 23542539621.

12693524532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126935245322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12693524531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223657 + ... + 274607.

It is an arithmetic number, because the mean of its divisors is an integer number (664940584).

Almost surely, 212693524532 is an apocalyptic number.

12693524532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12693524532 is an abundant number, since it is smaller than the sum of its proper divisors (19223623500).

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

12693524532 is a wasteful number, since it uses less digits than its factorization.

12693524532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52568 (or 52566 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The spelling of 12693524532 in words is "twelve billion, six hundred ninety-three million, five hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1597 3194 4791 6388 9582 19164 20761 41522 50951 62283 83044 101902 124566 152853 203804 249132 305706 611412 662363 1324726 1987089 2649452 3974178 7948356 81368747 162737494 244106241 325474988 488212482 976424964 1057793711 2115587422 3173381133 4231174844 6346762266 12693524532