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3870990001 = 6475982983
BaseRepresentation
bin1110011010111010…
…1001111010110001
3100222202221200000001
43212232221322301
530411433140001
61440040430001
7164632605064
oct34656517261
910882850001
103870990001
11170708909a
12900478301
13498c91738
1428a1708db
15179c90001
hexe6ba9eb1

3870990001 has 4 divisors (see below), whose sum is σ = 3876973632. Its totient is φ = 3865006372.

The previous prime is 3870989957. The next prime is 3870990047. The reversal of 3870990001 is 1000990783.

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.

It is a cyclic number.

It is not a de Polignac number, because 3870990001 - 29 = 3870989489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870990701) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2990845 + ... + 2992138.

It is an arithmetic number, because the mean of its divisors is an integer number (969243408).

Almost surely, 23870990001 is an apocalyptic number.

It is an amenable number.

3870990001 is a deficient number, since it is larger than the sum of its proper divisors (5983631).

3870990001 is an equidigital number, since it uses as much as digits as its factorization.

3870990001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983630.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3870990001 is about 62217.2805657721. The cubic root of 3870990001 is about 1570.1483356134.

The spelling of 3870990001 in words is "three billion, eight hundred seventy million, nine hundred ninety thousand, one".

Divisors: 1 647 5982983 3870990001