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42797122973 = 1127127751829
BaseRepresentation
bin100111110110111010…
…000100010110011101
311002110121100002212122
4213312322010112131
51200122030413343
631354414512325
73043360354163
oct476672042635
9132417302778
1042797122973
1117171950a20
1283648056a5
134060713107
1420ddc83233
1511a7354068
hex9f6e8459d

42797122973 has 16 divisors (see below), whose sum is σ = 47030127360. Its totient is φ = 38622225600.

The previous prime is 42797122967. The next prime is 42797122981. The reversal of 42797122973 is 37922179724.

It is a cyclic number.

It is not a de Polignac number, because 42797122973 - 222 = 42792928669 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42797122993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799823 + ... + 851651.

It is an arithmetic number, because the mean of its divisors is an integer number (2939382960).

Almost surely, 242797122973 is an apocalyptic number.

It is an amenable number.

42797122973 is a deficient number, since it is larger than the sum of its proper divisors (4233004387).

42797122973 is a wasteful number, since it uses less digits than its factorization.

42797122973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52388.

The product of its digits is 2667168, while the sum is 53.

The spelling of 42797122973 in words is "forty-two billion, seven hundred ninety-seven million, one hundred twenty-two thousand, nine hundred seventy-three".

Divisors: 1 11 271 277 2981 3047 51829 75067 570119 825737 14045659 14356633 154502249 157922963 3890647543 42797122973