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42155500245 = 352810366683
BaseRepresentation
bin100111010000101010…
…011110001011010101
311000210220000021221220
4213100222132023111
51142313302001440
631211014400553
73021436561035
oct472052361325
9130726007856
1042155500245
1116972754301
128205960159
133c8a8031b1
14207c9838c5
15116ad638d0
hex9d0a9e2d5

42155500245 has 8 divisors (see below), whose sum is σ = 67448800416. Its totient is φ = 22482933456.

The previous prime is 42155500237. The next prime is 42155500259. The reversal of 42155500245 is 54200555124.

42155500245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42155500245 - 23 = 42155500237 is a prime.

It is a super-3 number, since 3×421555002453 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405183327 + ... + 1405183356.

It is an arithmetic number, because the mean of its divisors is an integer number (8431100052).

Almost surely, 242155500245 is an apocalyptic number.

It is an amenable number.

42155500245 is a deficient number, since it is larger than the sum of its proper divisors (25293300171).

42155500245 is a wasteful number, since it uses less digits than its factorization.

42155500245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810366691.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 42155500245 in words is "forty-two billion, one hundred fifty-five million, five hundred thousand, two hundred forty-five".

Divisors: 1 3 5 15 2810366683 8431100049 14051833415 42155500245