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140891376025 = 5241218312
BaseRepresentation
bin1000001100110111000…
…1111100100110011001
3111110122221222110210001
42003031301330212121
54302021143013100
6144420303053001
713115263636141
oct2031561744631
9443587873701
10140891376025
115482a566144
12233802a1161
131039445922a
146b67b81921
1539e90e7d6a
hex20cdc7c999

140891376025 has 27 divisors (see below), whose sum is σ = 179168193309. Its totient is φ = 109903944000.

The previous prime is 140891375993. The next prime is 140891376037. The reversal of 140891376025 is 520673198041.

The square root of 140891376025 is 375355.

It is a perfect power (a square), and thus also a powerful number.

140891376025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 59303451529 + 81587924496 = 243523^2 + 285636^2 .

It is not a de Polignac number, because 140891376025 - 25 = 140891375993 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 76946860 + ... + 76948690.

It is a 1-persistent number, because it is pandigital, but 2⋅140891376025 = 281782752050 is not.

Almost surely, 2140891376025 is an apocalyptic number.

140891376025 is the 375355-th square number.

140891376025 is the 187678-th centered octagonal number.

It is an amenable number.

140891376025 is a deficient number, since it is larger than the sum of its proper divisors (38276817284).

140891376025 is an frugal number, since it uses more digits than its factorization.

140891376025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 140891376025 in words is "one hundred forty billion, eight hundred ninety-one million, three hundred seventy-six thousand, twenty-five".

Divisors: 1 5 25 41 205 1025 1681 1831 8405 9155 42025 45775 75071 375355 1876775 3077911 3352561 15389555 16762805 76947775 83814025 137455001 687275005 3436375025 5635655041 28178275205 140891376025