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10204881001 = 71457840143
BaseRepresentation
bin10011000000100001…
…00010000001101001
3222100012021200000121
421200100202001221
5131344422143001
64404342003241
7510613025440
oct114020420151
928305250017
1010204881001
114367431157
121b89716521
13c68293333
146cb455d57
153ead7d6a1
hex260422069

10204881001 has 4 divisors (see below), whose sum is σ = 11662721152. Its totient is φ = 8747040852.

The previous prime is 10204880993. The next prime is 10204881097. The reversal of 10204881001 is 10018840201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10018840201 = 19527307379.

It is a cyclic number.

It is not a de Polignac number, because 10204881001 - 23 = 10204880993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204881301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728920065 + ... + 728920078.

It is an arithmetic number, because the mean of its divisors is an integer number (2915680288).

Almost surely, 210204881001 is an apocalyptic number.

It is an amenable number.

10204881001 is a deficient number, since it is larger than the sum of its proper divisors (1457840151).

10204881001 is an equidigital number, since it uses as much as digits as its factorization.

10204881001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457840150.

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 10204881001 in words is "ten billion, two hundred four million, eight hundred eighty-one thousand, one".

Divisors: 1 7 1457840143 10204881001