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3102120340 = 2251115499103
BaseRepresentation
bin1011100011100110…
…1001100110010100
322000012012001002221
42320321221212110
522323120322330
61231453112124
7136605405424
oct27071514624
98005161087
103102120340
11135207aa20
12726a88644
133a58bb187
14215dca484
15132516b7a
hexb8e69994

3102120340 has 48 divisors (see below), whose sum is σ = 7112044800. Its totient is φ = 1127191680.

The previous prime is 3102120323. The next prime is 3102120391. The reversal of 3102120340 is 430212013.

It is a happy number.

3102120340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336229 + ... + 345331.

It is an arithmetic number, because the mean of its divisors is an integer number (148167600).

Almost surely, 23102120340 is an apocalyptic number.

It is an amenable number.

3102120340 is an abundant number, since it is smaller than the sum of its proper divisors (4009924460).

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

3102120340 is a wasteful number, since it uses less digits than its factorization.

3102120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672 (or 10670 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3102120340 is about 55696.6815887625. The cubic root of 3102120340 is about 1458.4320973946.

Adding to 3102120340 its reverse (430212013), we get a palindrome (3532332353).

The spelling of 3102120340 in words is "three billion, one hundred two million, one hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1549 3098 6196 7745 9103 15490 17039 18206 30980 34078 36412 45515 68156 85195 91030 100133 170390 182060 200266 340780 400532 500665 1001330 2002660 14100547 28201094 56402188 70502735 141005470 155106017 282010940 310212034 620424068 775530085 1551060170 3102120340