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152397421441 = 1579371035949
BaseRepresentation
bin1000110111101110011…
…0000001101110000001
3112120100211122010211021
42031323212001232001
54444102214441231
6154002125345441
714003356465066
oct2157346015601
9476324563737
10152397421441
11596a440a391
1225651708281
13114a9174525
147539d3cc6d
153e6e2e6811
hex237b981b81

152397421441 has 8 divisors (see below), whose sum is σ = 153531933800. Its totient is φ = 151264983168.

The previous prime is 152397421409. The next prime is 152397421447. The reversal of 152397421441 is 144124793251.

It can be written as a sum of positive squares in 4 ways, for example, as 6431398416 + 145966023025 = 80196^2 + 382055^2 .

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 152397421441 - 25 = 152397421409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152397421447) 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, 370866 + ... + 665083.

It is an arithmetic number, because the mean of its divisors is an integer number (19191491725).

Almost surely, 2152397421441 is an apocalyptic number.

It is an amenable number.

152397421441 is a deficient number, since it is larger than the sum of its proper divisors (1134512359).

152397421441 is a wasteful number, since it uses less digits than its factorization.

152397421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037043.

The product of its digits is 241920, while the sum is 43.

The spelling of 152397421441 in words is "one hundred fifty-two billion, three hundred ninety-seven million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 157 937 147109 1035949 162643993 970684213 152397421441