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634234101632461 = 1157657645602951
BaseRepresentation
bin1001000000110101010010001…
…0010101010000110111001101
310002011122012002000210201222101
42100031110202111100313031
51131112242420004214321
610124523042440115101
7250406621200003501
oct22015244225206715
93064565060721871
10634234101632461
111740a5198a16a90
125b172999465a91
13212b8033112ac5
14b289146ad2301
154d4cd4014d791
hex240d522550dcd

634234101632461 has 4 divisors (see below), whose sum is σ = 691891747235424. Its totient is φ = 576576456029500.

The previous prime is 634234101632441. The next prime is 634234101632557. The reversal of 634234101632461 is 164236101432436.

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 a de Polignac number, because none of the positive numbers 2k-634234101632461 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 (634234101632441) 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, 28828822801465 + ... + 28828822801486.

It is an arithmetic number, because the mean of its divisors is an integer number (172972936808856).

Almost surely, 2634234101632461 is an apocalyptic number.

It is an amenable number.

634234101632461 is a deficient number, since it is larger than the sum of its proper divisors (57657645602963).

634234101632461 is a wasteful number, since it uses less digits than its factorization.

634234101632461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57657645602962.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 634234101632461 in words is "six hundred thirty-four trillion, two hundred thirty-four billion, one hundred one million, six hundred thirty-two thousand, four hundred sixty-one".

Divisors: 1 11 57657645602951 634234101632461