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3961020294 = 23271189163197
BaseRepresentation
bin1110110000011000…
…0101111110000110
3101020001100200100100
43230012011332012
531103010122134
61453014224530
7200105055060
oct35406057606
911201320310
103961020294
1117529901a0
12926655146
134b18243ba
142980c8730
15182b25999
hexec185f86

3961020294 has 192 divisors, whose sum is σ = 10941765120. Its totient is φ = 1005903360.

The previous prime is 3961020289. The next prime is 3961020331. The reversal of 3961020294 is 4920201693.

3961020294 is a `hidden beast` number, since 39 + 610 + 2 + 0 + 2 + 9 + 4 = 666.

3961020294 is digitally balanced in base 2 and base 4, because in such bases 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 95 ways as a sum of consecutive naturals, for example, 20106604 + ... + 20106800.

It is an arithmetic number, because the mean of its divisors is an integer number (56988360).

Almost surely, 23961020294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3961020294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5470882560).

3961020294 is an abundant number, since it is smaller than the sum of its proper divisors (6980744826).

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

3961020294 is a wasteful number, since it uses less digits than its factorization.

3961020294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3961020294 is about 62936.6371360911. The cubic root of 3961020294 is about 1582.2278423581.

The spelling of 3961020294 in words is "three billion, nine hundred sixty-one million, twenty thousand, two hundred ninety-four".