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1420437232257 = 32887164003837
BaseRepresentation
bin10100101010111000101…
…010000001101010000001
312000210101201020202121220
4110222320222001222001
5141233023412413012
63004312335305253
7204423521155401
oct24527052015201
95023351222556
101420437232257
114a844987238a
121ab35967b229
13a3c3ca5ac04
144ca6c9c8801
1526e3749608c
hex14ab8a81a81

1420437232257 has 8 divisors (see below), whose sum is σ = 1894572336576. Its totient is φ = 946630141392.

The previous prime is 1420437232243. The next prime is 1420437232297. The reversal of 1420437232257 is 7522327340241.

It is a happy number.

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

It is not a de Polignac number, because 1420437232257 - 216 = 1420437166721 is a prime.

It is a super-2 number, since 2×14204372322572 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420437232297) 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, 81993258 + ... + 82010579.

It is an arithmetic number, because the mean of its divisors is an integer number (236821542072).

Almost surely, 21420437232257 is an apocalyptic number.

It is an amenable number.

1420437232257 is a deficient number, since it is larger than the sum of its proper divisors (474135104319).

1420437232257 is a wasteful number, since it uses less digits than its factorization.

1420437232257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164006727.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 1420437232257 in words is "one trillion, four hundred twenty billion, four hundred thirty-seven million, two hundred thirty-two thousand, two hundred fifty-seven".

Divisors: 1 3 2887 8661 164003837 492011511 473479077419 1420437232257