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6454142397458 = 272320043920489
BaseRepresentation
bin101110111101011100011…
…0111010110110000010010
3211212000021021120200112222
41131322320313112300102
51321221040423204313
621420554142421042
71234203444125360
oct135727067266022
924760237520488
106454142397458
112069206140378
12882a33291782
1337a8139c8bc2
1418454c902630
15b2d48c28208
hex5deb8dd6c12

6454142397458 has 16 divisors (see below), whose sum is σ = 11545298202240. Its totient is φ = 2645797504416.

The previous prime is 6454142397427. The next prime is 6454142397463. The reversal of 6454142397458 is 8547932414546.

It is a self number, because there is not a number n which added to its sum of digits gives 6454142397458.

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, 10021959923 + ... + 10021960566.

It is an arithmetic number, because the mean of its divisors is an integer number (721581137640).

Almost surely, 26454142397458 is an apocalyptic number.

6454142397458 is a deficient number, since it is larger than the sum of its proper divisors (5091155804782).

6454142397458 is a wasteful number, since it uses less digits than its factorization.

6454142397458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043920521.

The product of its digits is 116121600, while the sum is 62.

The spelling of 6454142397458 in words is "six trillion, four hundred fifty-four billion, one hundred forty-two million, three hundred ninety-seven thousand, four hundred fifty-eight".

Divisors: 1 2 7 14 23 46 161 322 20043920489 40087840978 140307443423 280614886846 461010171247 922020342494 3227071198729 6454142397458