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3101213420 = 225155060671
BaseRepresentation
bin1011100011011000…
…1100001011101100
322000010110222001022
42320312030023230
522322402312140
61231421433312
7136564610354
oct27066141354
98003428038
103101213420
1113516105a8
1272670b838
133a5661436
14215c31b64
151323d80b5
hexb8d8c2ec

3101213420 has 12 divisors (see below), whose sum is σ = 6512548224. Its totient is φ = 1240485360.

The previous prime is 3101213417. The next prime is 3101213431. The reversal of 3101213420 is 243121013.

3101213420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 77530316 + ... + 77530355.

It is an arithmetic number, because the mean of its divisors is an integer number (542712352).

Almost surely, 23101213420 is an apocalyptic number.

It is an amenable number.

3101213420 is an abundant number, since it is smaller than the sum of its proper divisors (3411334804).

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

3101213420 is a wasteful number, since it uses less digits than its factorization.

3101213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155060680 (or 155060678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3101213420 is about 55688.5393954627. The cubic root of 3101213420 is about 1458.2899569647.

Adding to 3101213420 its reverse (243121013), we get a palindrome (3344334433).

The spelling of 3101213420 in words is "three billion, one hundred one million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 155060671 310121342 620242684 775303355 1550606710 3101213420