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2544254642 = 26131207491
BaseRepresentation
bin1001011110100110…
…0011111010110010
320120022110112020102
42113221203322302
520202312122032
61100244112402
7120022544006
oct22751437262
96508415212
102544254642
111096190196
125b0095702
13317155727
141a1c90706
15ed56d362
hex97a63eb2

2544254642 has 8 divisors (see below), whose sum is σ = 3817022832. Its totient is φ = 1271913700.

The previous prime is 2544254639. The next prime is 2544254701. The reversal of 2544254642 is 2464524452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2544254596 and 2544254605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91484 + ... + 116007.

It is an arithmetic number, because the mean of its divisors is an integer number (477127854).

Almost surely, 22544254642 is an apocalyptic number.

2544254642 is a deficient number, since it is larger than the sum of its proper divisors (1272768190).

2544254642 is a wasteful number, since it uses less digits than its factorization.

2544254642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213624.

The product of its digits is 307200, while the sum is 38.

The square root of 2544254642 is about 50440.6050915332. The cubic root of 2544254642 is about 1365.1703852393.

The spelling of 2544254642 in words is "two billion, five hundred forty-four million, two hundred fifty-four thousand, six hundred forty-two".

Divisors: 1 2 6131 12262 207491 414982 1272127321 2544254642