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3100002140 = 225155000107
BaseRepresentation
bin1011100011000110…
…0100011101011100
322000001012102111002
42320301210131130
522322100032030
61231335445432
7136551404054
oct27061443534
98001172432
103100002140
111350963544
12726226878
133a5328cc1
142159d8564
15132249245
hexb8c6475c

3100002140 has 12 divisors (see below), whose sum is σ = 6510004536. Its totient is φ = 1240000848.

The previous prime is 3100002137. The next prime is 3100002151. The reversal of 3100002140 is 412000013.

It is a happy number.

3100002140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31000021402 = 19220026536009159200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77500034 + ... + 77500073.

It is an arithmetic number, because the mean of its divisors is an integer number (542500378).

Almost surely, 23100002140 is an apocalyptic number.

It is an amenable number.

3100002140 is an abundant number, since it is smaller than the sum of its proper divisors (3410002396).

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

3100002140 is a wasteful number, since it uses less digits than its factorization.

3100002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155000116 (or 155000114 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3100002140 is about 55677.6628460642. The cubic root of 3100002140 is about 1458.1000713464.

Adding to 3100002140 its reverse (412000013), we get a palindrome (3512002153).

The spelling of 3100002140 in words is "three billion, one hundred million, two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 155000107 310000214 620000428 775000535 1550001070 3100002140