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42160025425 = 52771247791
BaseRepresentation
bin100111010000111011…
…101110111101010001
311000211012112012100011
4213100323232331101
51142320431303200
631211255354521
73021523206010
oct472073567521
9130735465304
1042160025425
1116975265121
128207382a41
133c8b728b0b
14207d400a77
15116b4595ba
hex9d0eeef51

42160025425 has 36 divisors (see below), whose sum is σ = 60601403008. Its totient is φ = 28501956000.

The previous prime is 42160025407. The next prime is 42160025429. The reversal of 42160025425 is 52452006124.

It is not a de Polignac number, because 42160025425 - 211 = 42160023377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42160025429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 858280 + ... + 906070.

Almost surely, 242160025425 is an apocalyptic number.

It is an amenable number.

42160025425 is a deficient number, since it is larger than the sum of its proper divisors (18441377583).

42160025425 is an equidigital number, since it uses as much as digits as its factorization.

42160025425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47950 (or 47874 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 42160025425 in words is "forty-two billion, one hundred sixty million, twenty-five thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 71 175 355 497 1775 2485 5041 12425 25205 35287 47791 126025 176435 238955 334537 882175 1194775 1672685 3393161 8363425 16965805 23752127 84829025 118760635 240914431 593803175 1204572155 1686401017 6022860775 8432005085 42160025425