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3961390030 = 251330472231
BaseRepresentation
bin1110110000011110…
…0000001111001110
3101020002001110112021
43230013200033032
531103103440110
61453030200354
7200111155033
oct35407401716
911202043467
103961390030
111753112a64
129267b30ba
134b1923790
1429818338a
15182b9a2da
hexec1e03ce

3961390030 has 16 divisors (see below), whose sum is σ = 7679002464. Its totient is φ = 1462667040.

The previous prime is 3961390001. The next prime is 3961390049. The reversal of 3961390030 is 300931693.

It is a happy number.

3961390030 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 2×39613900302 = 31385221939566801800, 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 7 ways as a sum of consecutive naturals, for example, 15235986 + ... + 15236245.

It is an arithmetic number, because the mean of its divisors is an integer number (479937654).

Almost surely, 23961390030 is an apocalyptic number.

3961390030 is a deficient number, since it is larger than the sum of its proper divisors (3717612434).

3961390030 is a wasteful number, since it uses less digits than its factorization.

3961390030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30472251.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 3961390030 is about 62939.5744345320. The cubic root of 3961390030 is about 1582.2770711214.

The spelling of 3961390030 in words is "three billion, nine hundred sixty-one million, three hundred ninety thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 30472231 60944462 152361155 304722310 396139003 792278006 1980695015 3961390030