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11475230637 = 3132157144163
BaseRepresentation
bin10101010111111101…
…00001111110101101
31002121201200010010010
422223332201332231
5142000124340022
65134402003433
7554236564623
oct125376417655
932551603103
1011475230637
114959517692
122283046579
13110b519500
147ac059513
1547266350c
hex2abfa1fad

11475230637 has 24 divisors (see below), whose sum is σ = 16673431584. Its totient is φ = 7016652864.

The previous prime is 11475230629. The next prime is 11475230651. The reversal of 11475230637 is 73603257411.

It is not a de Polignac number, because 11475230637 - 23 = 11475230629 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 11475230595 and 11475230604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11475230687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7518 + ... + 151680.

It is an arithmetic number, because the mean of its divisors is an integer number (694726316).

Almost surely, 211475230637 is an apocalyptic number.

It is an amenable number.

11475230637 is a deficient number, since it is larger than the sum of its proper divisors (5198200947).

11475230637 is a wasteful number, since it uses less digits than its factorization.

11475230637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144349 (or 144336 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 11475230637 in words is "eleven billion, four hundred seventy-five million, two hundred thirty thousand, six hundred thirty-seven".

Divisors: 1 3 13 39 157 169 471 507 2041 6123 26533 79599 144163 432489 1874119 5622357 22633591 24363547 67900773 73090641 294236683 882710049 3825076879 11475230637