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11270919378 = 2319364315137
BaseRepresentation
bin10100111111100110…
…01001010011010010
31002002111020000202110
422133303021103102
5141040323410003
65102222530150
7546206143155
oct123763112322
932074200673
1011270919378
11486415a604
122226736956
1310a80b2a84
1478cc73c9c
1545e756a03
hex29fcc94d2

11270919378 has 32 divisors (see below), whose sum is σ = 22695374016. Its totient is φ = 3731447808.

The previous prime is 11270919371. The next prime is 11270919409. The reversal of 11270919378 is 87391907211.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11270919371) 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, 737026 + ... + 752162.

It is an arithmetic number, because the mean of its divisors is an integer number (709230438).

Almost surely, 211270919378 is an apocalyptic number.

11270919378 is an abundant number, since it is smaller than the sum of its proper divisors (11424454638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11270919378 is a wasteful number, since it uses less digits than its factorization.

11270919378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978.

The product of its (nonzero) digits is 190512, while the sum is 48.

The spelling of 11270919378 in words is "eleven billion, two hundred seventy million, nine hundred nineteen thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 193 386 579 643 1158 1286 1929 3858 15137 30274 45411 90822 124099 248198 372297 744594 2921441 5842882 8764323 9733091 17528646 19466182 29199273 58398546 1878486563 3756973126 5635459689 11270919378