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23420121413442 = 2313300257966839
BaseRepresentation
bin1010101001100111011000…
…00001000111011101000010
310001220221102112021212021120
411110303230001013131002
511032203402040212232
6121451015533333110
74635022304252655
oct524635401073502
9101827375255246
1023420121413442
11750a465a81916
122762b87337196
13100b67b029c70
145ad77b7a589c
152a932772392c
hex154cec047742

23420121413442 has 16 divisors (see below), whose sum is σ = 50443338429120. Its totient is φ = 7206191204112.

The previous prime is 23420121413417. The next prime is 23420121413473. The reversal of 23420121413442 is 24431412102432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150128983342 + ... + 150128983497.

It is an arithmetic number, because the mean of its divisors is an integer number (3152708651820).

Almost surely, 223420121413442 is an apocalyptic number.

23420121413442 is an abundant number, since it is smaller than the sum of its proper divisors (27023217015678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23420121413442 is a wasteful number, since it uses less digits than its factorization.

23420121413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300257966857.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 23420121413442 its reverse (24431412102432), we get a palindrome (47851533515874).

The spelling of 23420121413442 in words is "twenty-three trillion, four hundred twenty billion, one hundred twenty-one million, four hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 300257966839 600515933678 900773900517 1801547801034 3903353568907 7806707137814 11710060706721 23420121413442