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40157531413613 = 192113554284927
BaseRepresentation
bin10010010000101111001110…
…11001010001110001101101
312021012000121102001222101222
421020113213121101301231
520230420111020213423
6221224040521113125
711313200031005045
oct1110274731216155
9167160542058358
1040157531413613
111188279363a799
1246069700287a5
131953aba283483
149cb8c61d8725
154998c9ad63c8
hex2485e7651c6d

40157531413613 has 4 divisors (see below), whose sum is σ = 42271085698560. Its totient is φ = 38043977128668.

The previous prime is 40157531413579. The next prime is 40157531413633. The reversal of 40157531413613 is 31631413575104.

40157531413613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40157531413613 - 210 = 40157531412589 is a prime.

It is a super-2 number, since 2×401575314136132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40157531413633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056777142445 + ... + 1056777142482.

It is an arithmetic number, because the mean of its divisors is an integer number (10567771424640).

Almost surely, 240157531413613 is an apocalyptic number.

It is an amenable number.

40157531413613 is a deficient number, since it is larger than the sum of its proper divisors (2113554284947).

40157531413613 is a wasteful number, since it uses less digits than its factorization.

40157531413613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113554284946.

The product of its (nonzero) digits is 453600, while the sum is 44.

Adding to 40157531413613 its reverse (31631413575104), we get a palindrome (71788944988717).

The spelling of 40157531413613 in words is "forty trillion, one hundred fifty-seven billion, five hundred thirty-one million, four hundred thirteen thousand, six hundred thirteen".

Divisors: 1 19 2113554284927 40157531413613