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2745860357289 = 37648792015371
BaseRepresentation
bin100111111101010010000…
…001111111110010101001
3100201111112201200210002110
4213331102001333302221
5324442010222413124
65501233020552533
7402244656636120
oct47752201776251
910644481623073
102745860357289
11969570650705
123841bb0b2749
1316bc19c38aaa
1496c867c0ab7
154b65d2be029
hex27f5207fca9

2745860357289 has 16 divisors (see below), whose sum is σ = 4184234731520. Its totient is φ = 1569038098320.

The previous prime is 2745860357243. The next prime is 2745860357309. The reversal of 2745860357289 is 9827530685472.

It is not a de Polignac number, because 2745860357289 - 28 = 2745860357033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745860357209) 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, 354774 + ... + 2370144.

It is an arithmetic number, because the mean of its divisors is an integer number (261514670720).

Almost surely, 22745860357289 is an apocalyptic number.

It is an amenable number.

2745860357289 is a deficient number, since it is larger than the sum of its proper divisors (1438374374231).

2745860357289 is a wasteful number, since it uses less digits than its factorization.

2745860357289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080260.

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 2745860357289 in words is "two trillion, seven hundred forty-five billion, eight hundred sixty million, three hundred fifty-seven thousand, two hundred eighty-nine".

Divisors: 1 3 7 21 64879 194637 454153 1362459 2015371 6046113 14107597 42322791 130755255109 392265765327 915286785763 2745860357289