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153404034631 = 179023766743
BaseRepresentation
bin1000111011011110010…
…1111100111001000111
3112122221222202101112021
42032313211330321013
510003132413102011
6154250044504011
714040331531321
oct2166745747107
9478858671467
10153404034631
115a07063a811
122589284b007
1311609888833
1475d38cc611
153ecc882471
hex23b797ce47

153404034631 has 4 divisors (see below), whose sum is σ = 162427801392. Its totient is φ = 144380267872.

The previous prime is 153404034629. The next prime is 153404034647. The reversal of 153404034631 is 136430404351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153404034631 - 21 = 153404034629 is a prime.

It is a super-2 number, since 2×1534040346312 (a number of 23 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 (153404034131) 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, 4511883355 + ... + 4511883388.

It is an arithmetic number, because the mean of its divisors is an integer number (40606950348).

Almost surely, 2153404034631 is an apocalyptic number.

153404034631 is a deficient number, since it is larger than the sum of its proper divisors (9023766761).

153404034631 is an equidigital number, since it uses as much as digits as its factorization.

153404034631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023766760.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 153404034631 its reverse (136430404351), we get a palindrome (289834438982).

The spelling of 153404034631 in words is "one hundred fifty-three billion, four hundred four million, thirty-four thousand, six hundred thirty-one".

Divisors: 1 17 9023766743 153404034631