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42620546231 = 834801106957
BaseRepresentation
bin100111101100011000…
…011110110010110111
311002000022002002010022
4213230120132302313
51144241324434411
631325110115355
73036114444164
oct475430366267
9132008062108
1042620546231
111709120722a
12831564bb5b
134032c6a433
1420c463b06b
151196ac4edb
hex9ec61ecb7

42620546231 has 8 divisors (see below), whose sum is σ = 43143434544. Its totient is φ = 42097881600.

The previous prime is 42620546209. The next prime is 42620546237. The reversal of 42620546231 is 13264502624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42620546231 is a prime.

It is a super-2 number, since 2×426205462312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42620546191 and 42620546200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620546237) 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, 345005 + ... + 451961.

It is an arithmetic number, because the mean of its divisors is an integer number (5392929318).

Almost surely, 242620546231 is an apocalyptic number.

42620546231 is a deficient number, since it is larger than the sum of its proper divisors (522888313).

42620546231 is a wasteful number, since it uses less digits than its factorization.

42620546231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111841.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 42620546231 in words is "forty-two billion, six hundred twenty million, five hundred forty-six thousand, two hundred thirty-one".

Divisors: 1 83 4801 106957 398483 8877431 513500557 42620546231