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3155420001 = 31051806667
BaseRepresentation
bin1011110000010011…
…1110001101100001
322010220110221111110
42330010332031201
522430241420001
61241035333533
7141123425136
oct27404761541
98126427443
103155420001
11137a174828
127408b12a9
133b3960436
1421d10258d
151370443d6
hexbc13e361

3155420001 has 4 divisors (see below), whose sum is σ = 4207226672. Its totient is φ = 2103613332.

The previous prime is 3155419961. The next prime is 3155420011. The reversal of 3155420001 is 1000245513.

3155420001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1000245513 = 3333415171.

It is not a de Polignac number, because 3155420001 - 29 = 3155419489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3155420001.

It is not an unprimeable number, because it can be changed into a prime (3155420011) 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, 525903331 + ... + 525903336.

It is an arithmetic number, because the mean of its divisors is an integer number (1051806668).

Almost surely, 23155420001 is an apocalyptic number.

It is an amenable number.

3155420001 is a deficient number, since it is larger than the sum of its proper divisors (1051806671).

3155420001 is a wasteful number, since it uses less digits than its factorization.

3155420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051806670.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 3155420001 is about 56173.1252557662. The cubic root of 3155420001 is about 1466.7374852570.

Adding to 3155420001 its reverse (1000245513), we get a palindrome (4155665514).

The spelling of 3155420001 in words is "three billion, one hundred fifty-five million, four hundred twenty thousand, one".

Divisors: 1 3 1051806667 3155420001