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153450331125631 = 654047234616673
BaseRepresentation
bin100010111000111111110000…
…011110100011011101111111
3202010022201010102012112110121
4202320333300132203131333
5130103112234232010011
61302210035310315411
744215264153341211
oct4270776036433577
9663281112175417
10153450331125631
1144991a13529a31
12152638514b8b67
1367813c5252097
1429c706db9c5b1
1512b18de01ce71
hex8b8ff07a377f

153450331125631 has 4 divisors (see below), whose sum is σ = 153450566396352. Its totient is φ = 153450095854912.

The previous prime is 153450331125629. The next prime is 153450331125677. The reversal of 153450331125631 is 136521133054351.

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 153450331125631 - 21 = 153450331125629 is a prime.

It is a super-2 number, since 2×1534503311256312 (a number of 29 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 (153450331125431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116654290 + ... + 117962383.

It is an arithmetic number, because the mean of its divisors is an integer number (38362641599088).

Almost surely, 2153450331125631 is an apocalyptic number.

153450331125631 is a deficient number, since it is larger than the sum of its proper divisors (235270721).

153450331125631 is an equidigital number, since it uses as much as digits as its factorization.

153450331125631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235270720.

The product of its (nonzero) digits is 486000, while the sum is 43.

Adding to 153450331125631 its reverse (136521133054351), we get a palindrome (289971464179982).

The spelling of 153450331125631 in words is "one hundred fifty-three trillion, four hundred fifty billion, three hundred thirty-one million, one hundred twenty-five thousand, six hundred thirty-one".

Divisors: 1 654047 234616673 153450331125631