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140478980311 = 487512881561
BaseRepresentation
bin1000001011010100110…
…0110010000011010111
3111102121012222121012201
42002311030302003113
54300200104332221
6144311332025331
713102125426235
oct2026514620327
9442535877181
10140478980311
11546387a413a
1223286162247
1310329b977b7
146b290b1955
1539c2cd6891
hex20b53320d7

140478980311 has 4 divisors (see below), whose sum is σ = 140481910624. Its totient is φ = 140476050000.

The previous prime is 140478980309. The next prime is 140478980351. The reversal of 140478980311 is 113089874041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113089874041 = 293899650829.

It is a cyclic number.

It is not a de Polignac number, because 140478980311 - 21 = 140478980309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140478980351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392030 + ... + 1489531.

It is an arithmetic number, because the mean of its divisors is an integer number (35120477656).

Almost surely, 2140478980311 is an apocalyptic number.

140478980311 is a deficient number, since it is larger than the sum of its proper divisors (2930313).

140478980311 is an equidigital number, since it uses as much as digits as its factorization.

140478980311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930312.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 140478980311 in words is "one hundred forty billion, four hundred seventy-eight million, nine hundred eighty thousand, three hundred eleven".

Divisors: 1 48751 2881561 140478980311