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612190106497 = 2934494653421
BaseRepresentation
bin10001110100010010101…
…11111011001110000001
32011112011120200121221001
420322021113323032001
540012231131401442
61145123010332001
762141433022054
oct10721127731601
92145146617831
10612190106497
112166a039aa82
129a79128a001
13459632c4088
14218b722aa9b
1510dd01412b7
hex8e895fb381

612190106497 has 8 divisors (see below), whose sum is σ = 615647730600. Its totient is φ = 608741790720.

The previous prime is 612190106477. The next prime is 612190106527. The reversal of 612190106497 is 794601091216.

612190106497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 216931446081 + 395258660416 = 465759^2 + 628696^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-612190106497 is a prime.

It is a super-2 number, since 2×6121901064972 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612190106477) 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, 2195154 + ... + 2458267.

It is an arithmetic number, because the mean of its divisors is an integer number (76955966325).

Almost surely, 2612190106497 is an apocalyptic number.

It is an amenable number.

612190106497 is a deficient number, since it is larger than the sum of its proper divisors (3457624103).

612190106497 is a wasteful number, since it uses less digits than its factorization.

612190106497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654163.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 612190106497 in words is "six hundred twelve billion, one hundred ninety million, one hundred six thousand, four hundred ninety-seven".

Divisors: 1 293 449 131557 4653421 1363452353 2089386029 612190106497