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5100121479 = 32969572597
BaseRepresentation
bin1001011111111110…
…11010110110000111
3111011102210000102010
410233333122312013
540421112341404
62202025145303
7240246213555
oct45777326607
914142700363
105100121479
112187981832
12ba402b233
1363381577b
143654c4bd5
151ecb32189
hex12ffdad87

5100121479 has 8 divisors (see below), whose sum is σ = 6802464240. Its totient is φ = 3398929856.

The previous prime is 5100121463. The next prime is 5100121549. The reversal of 5100121479 is 9741210015.

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 5100121479 - 24 = 5100121463 is a prime.

It is a super-2 number, since 2×51001214792 = 52022478201114294882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100121409) 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, 277392 + ... + 295205.

It is an arithmetic number, because the mean of its divisors is an integer number (850308030).

Almost surely, 25100121479 is an apocalyptic number.

5100121479 is a deficient number, since it is larger than the sum of its proper divisors (1702342761).

5100121479 is a wasteful number, since it uses less digits than its factorization.

5100121479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575569.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 5100121479 is about 71415.1348034855. The cubic root of 5100121479 is about 1721.3142874072.

The spelling of 5100121479 in words is "five billion, one hundred million, one hundred twenty-one thousand, four hundred seventy-nine".

Divisors: 1 3 2969 8907 572597 1717791 1700040493 5100121479