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28286740274 = 2131447751867
BaseRepresentation
bin11010010110000001…
…010110011100110010
32201000100111021212012
4122112001112130302
5430412401142044
620554511002522
72020654216352
oct322601263462
981010437765
1028286740274
1110aa6144701
125595209442
13288a455350
141524ab0b62
15b0850659e
hex696056732

28286740274 has 16 divisors (see below), whose sum is σ = 45725604288. Its totient is φ = 13046378832.

The previous prime is 28286740271. The next prime is 28286740277. The reversal of 28286740274 is 47204768282.

It is an interprime number because it is at equal distance from previous prime (28286740271) and next prime (28286740277).

It is not an unprimeable number, because it can be changed into a prime (28286740271) 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, 338312 + ... + 413555.

It is an arithmetic number, because the mean of its divisors is an integer number (2857850268).

Almost surely, 228286740274 is an apocalyptic number.

28286740274 is a deficient number, since it is larger than the sum of its proper divisors (17438864014).

28286740274 is a wasteful number, since it uses less digits than its factorization.

28286740274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753329.

The product of its (nonzero) digits is 2408448, while the sum is 50.

The spelling of 28286740274 in words is "twenty-eight billion, two hundred eighty-six million, seven hundred forty thousand, two hundred seventy-four".

Divisors: 1 2 13 26 1447 2894 18811 37622 751867 1503734 9774271 19548542 1087951549 2175903098 14143370137 28286740274