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2045293671 = 34013169889
BaseRepresentation
bin111100111101000…
…1011010001100111
312021112120200110110
41321322023101213
513142043344141
6534541424103
7101453465211
oct17172132147
95245520413
102045293671
1195a573453
12490b6b033
13267975555
141558c95b1
15be85ce16
hex79e8b467

2045293671 has 8 divisors (see below), whose sum is σ = 2727753840. Its totient is φ = 1363181312.

The previous prime is 2045293669. The next prime is 2045293693. The reversal of 2045293671 is 1763925402.

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

It is a cyclic number.

It is not a de Polignac number, because 2045293671 - 21 = 2045293669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045293571) 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, 72906 + ... + 96983.

It is an arithmetic number, because the mean of its divisors is an integer number (340969230).

Almost surely, 22045293671 is an apocalyptic number.

2045293671 is a deficient number, since it is larger than the sum of its proper divisors (682460169).

2045293671 is a wasteful number, since it uses less digits than its factorization.

2045293671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173905.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2045293671 is about 45224.9231176793. The cubic root of 2045293671 is about 1269.3612161552.

The spelling of 2045293671 in words is "two billion, forty-five million, two hundred ninety-three thousand, six hundred seventy-one".

Divisors: 1 3 4013 12039 169889 509667 681764557 2045293671