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201044102421 = 3184553363119
BaseRepresentation
bin1011101100111100101…
…0011000110100010101
3201012221002221120202110
42323033022120310111
511243214242234141
6232205224501233
720345026450251
oct2731712306425
9635832846673
10201044102421
1178298177868
1232b6931a819
1315c5c72b266
149a32a2d261
155369e67e16
hex2ecf298d15

201044102421 has 8 divisors (see below), whose sum is σ = 268060993920. Its totient is φ = 134028306272.

The previous prime is 201044102419. The next prime is 201044102423. The reversal of 201044102421 is 124201440102.

It is an interprime number because it is at equal distance from previous prime (201044102419) and next prime (201044102423).

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 201044102421 - 21 = 201044102419 is a prime.

It is a super-2 number, since 2×2010441024212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044102423) 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, 372100 + ... + 735218.

It is an arithmetic number, because the mean of its divisors is an integer number (33507624240).

Almost surely, 2201044102421 is an apocalyptic number.

It is an amenable number.

201044102421 is a deficient number, since it is larger than the sum of its proper divisors (67016891499).

201044102421 is a wasteful number, since it uses less digits than its factorization.

201044102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547675.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201044102421 its reverse (124201440102), we get a palindrome (325245542523).

The spelling of 201044102421 in words is "two hundred one billion, forty-four million, one hundred two thousand, four hundred twenty-one".

Divisors: 1 3 184553 363119 553659 1089357 67014700807 201044102421