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BaseRepresentation
bin10010110001101001…
…011111111101110110
31221001000012010102202
4102301221133331312
5312242020042004
613132253304502
71312406565212
oct226151377566
957030163382
1020160315254
118605a77272
123aa7795132
131b93978a31
14d936d7942
157ced86b1e
hex4b1a5ff76

20160315254 has 8 divisors (see below), whose sum is σ = 30250271880. Its totient is φ = 10076891296.

The previous prime is 20160315193. The next prime is 20160315257. The reversal of 20160315254 is 45251306102.

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

It is a super-2 number, since 2×201603152542 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160315257) 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, 1625444 + ... + 1637799.

It is an arithmetic number, because the mean of its divisors is an integer number (3781283985).

Almost surely, 220160315254 is an apocalyptic number.

20160315254 is a deficient number, since it is larger than the sum of its proper divisors (10089956626).

20160315254 is a wasteful number, since it uses less digits than its factorization.

20160315254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266334.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20160315254 in words is "twenty billion, one hundred sixty million, three hundred fifteen thousand, two hundred fifty-four".