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22381125135157 = 150311488997747
BaseRepresentation
bin1010001011011000000110…
…00000110110101100110101
32221020121121002111020122101
411011230003000312230311
510413143021013311112
6115333425201302101
74466661100514335
oct505540300665465
987217532436571
1022381125135157
117149866733968
122615741634931
13c646b9920059
145753761cb0c5
1528c2b768e757
hex145b03036b35

22381125135157 has 4 divisors (see below), whose sum is σ = 22382614147936. Its totient is φ = 22379636122380.

The previous prime is 22381125135053. The next prime is 22381125135167. The reversal of 22381125135157 is 75153152118322.

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 22381125135157 - 231 = 22378977651509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22381125135167) 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, 744483843 + ... + 744513904.

It is an arithmetic number, because the mean of its divisors is an integer number (5595653536984).

Almost surely, 222381125135157 is an apocalyptic number.

It is an amenable number.

22381125135157 is a deficient number, since it is larger than the sum of its proper divisors (1489012779).

22381125135157 is a wasteful number, since it uses less digits than its factorization.

22381125135157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489012778.

The product of its digits is 504000, while the sum is 46.

The spelling of 22381125135157 in words is "twenty-two trillion, three hundred eighty-one billion, one hundred twenty-five million, one hundred thirty-five thousand, one hundred fifty-seven".

Divisors: 1 15031 1488997747 22381125135157