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4261697491 = 27117239127
BaseRepresentation
bin1111111000000100…
…0101011111010011
3102000000010122220211
43332001011133103
532211443304431
61542514544551
7210415555012
oct37601053723
912000118824
104261697491
111897687447
129ab298157
1352bbcb4bc
142c5dd6a79
1519e21a2b1
hexfe0457d3

4261697491 has 8 divisors (see below), whose sum is σ = 4280374784. Its totient is φ = 4243042440.

The previous prime is 4261697483. The next prime is 4261697507. The reversal of 4261697491 is 1947961624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4261697491 - 23 = 4261697483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4261697591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462370 + ... + 471496.

It is an arithmetic number, because the mean of its divisors is an integer number (535046848).

Almost surely, 24261697491 is an apocalyptic number.

4261697491 is a deficient number, since it is larger than the sum of its proper divisors (18677293).

4261697491 is a wasteful number, since it uses less digits than its factorization.

4261697491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11121.

The product of its digits is 653184, while the sum is 49.

The square root of 4261697491 is about 65281.6780651355. The cubic root of 4261697491 is about 1621.2906306730.

The spelling of 4261697491 in words is "four billion, two hundred sixty-one million, six hundred ninety-seven thousand, four hundred ninety-one".

Divisors: 1 271 1723 9127 466933 2473417 15725821 4261697491