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123013201042541 = 1955980711565377
BaseRepresentation
bin11011111110000100111110…
…001001101001110001101101
3121010112221120111010202101002
4123332010332021221301231
5112110422013431330131
61113343252344330045
734624260540354605
oct3376047611516155
9533487514122332
10123013201042541
113621767304a5a7
1211968948173925
135384130b8c244
142253c292a5c05
15e34cc7cae6cb
hex6fe13e269c6d

123013201042541 has 8 divisors (see below), whose sum is σ = 129487822548480. Its totient is φ = 116538603787008.

The previous prime is 123013201042517. The next prime is 123013201042549. The reversal of 123013201042541 is 145240102310321.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-123013201042541 is a prime.

It is a super-2 number, since 2×1230132010425412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013201042549) 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, 4853645 + ... + 16419021.

It is an arithmetic number, because the mean of its divisors is an integer number (16185977818560).

Almost surely, 2123013201042541 is an apocalyptic number.

It is an amenable number.

123013201042541 is a deficient number, since it is larger than the sum of its proper divisors (6474621505939).

123013201042541 is a wasteful number, since it uses less digits than its factorization.

123013201042541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125203.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 123013201042541 its reverse (145240102310321), we get a palindrome (268253303352862).

The spelling of 123013201042541 in words is "one hundred twenty-three trillion, thirteen billion, two hundred one million, forty-two thousand, five hundred forty-one".

Divisors: 1 19 559807 10636333 11565377 219742163 6474379002239 123013201042541