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4051867380 = 223511172391511
BaseRepresentation
bin1111000110000010…
…1001011011110100
3101110101022012010020
43301200221123310
531244234224010
61510021325140
7202260206301
oct36140513364
911411265106
104051867380
11179a19aa30
12950b667b0
134c75b1a82
142a61b60a8
1518aabd470
hexf18296f4

4051867380 has 192 divisors, whose sum is σ = 13168189440. Its totient is φ = 920012800.

The previous prime is 4051867361. The next prime is 4051867387. The reversal of 4051867380 is 837681504.

4051867380 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 hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051867387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2680825 + ... + 2682335.

It is an arithmetic number, because the mean of its divisors is an integer number (68584320).

Almost surely, 24051867380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051867380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6584094720).

4051867380 is an abundant number, since it is smaller than the sum of its proper divisors (9116322060).

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

4051867380 is a wasteful number, since it uses less digits than its factorization.

4051867380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 4051867380 is about 63654.2801388878. The cubic root of 4051867380 is about 1594.2328022244.

The spelling of 4051867380 in words is "four billion, fifty-one million, eight hundred sixty-seven thousand, three hundred eighty".