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45402213531 = 317890239481
BaseRepresentation
bin101010010010001011…
…101100110010011011
311100012011021102022010
4222102023230302123
51220440431313111
632505115001003
73165052306323
oct522213546233
9140164242263
1045402213531
1118289403024
128971139163
13438734910c
1422a9c4c283
1512aaddcaa6
hexa922ecc9b

45402213531 has 8 divisors (see below), whose sum is σ = 64097242704. Its totient is φ = 28487663360.

The previous prime is 45402213517. The next prime is 45402213557. The reversal of 45402213531 is 13531220454.

45402213531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45402213531 - 27 = 45402213403 is a prime.

It is a super-2 number, since 2×454022135312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45402203531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445119690 + ... + 445119791.

It is an arithmetic number, because the mean of its divisors is an integer number (8012155338).

Almost surely, 245402213531 is an apocalyptic number.

45402213531 is a deficient number, since it is larger than the sum of its proper divisors (18695029173).

45402213531 is a wasteful number, since it uses less digits than its factorization.

45402213531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890239501.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 45402213531 its reverse (13531220454), we get a palindrome (58933433985).

The spelling of 45402213531 in words is "forty-five billion, four hundred two million, two hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 3 17 51 890239481 2670718443 15134071177 45402213531