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34099684921 = 19297192
BaseRepresentation
bin11111110000011111…
…111110011000111001
310021000110120110211101
4133300133332120321
51024314004404141
623355402331401
72315010353011
oct376037763071
9107013513741
1034099684921
1113509423a95
126737ab9b61
1332a5849a73
141916b0ac41
15d489e0531
hex7f07fe639

34099684921 has 9 divisors (see below), whose sum is σ = 35992567461. Its totient is φ = 32301640764.

The previous prime is 34099684919. The next prime is 34099684939. The reversal of 34099684921 is 12948699043.

The square root of 34099684921 is 184661.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 34099684921 - 21 = 34099684919 is a prime.

It is a super-2 number, since 2×340996849212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34099684901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3503700 + ... + 3513418.

Almost surely, 234099684921 is an apocalyptic number.

34099684921 is the 184661-st square number.

34099684921 is the 92331-st centered octagonal number.

It is an amenable number.

34099684921 is a deficient number, since it is larger than the sum of its proper divisors (1892882540).

34099684921 is an frugal number, since it uses more digits than its factorization.

34099684921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19476 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 34099684921 in words is "thirty-four billion, ninety-nine million, six hundred eighty-four thousand, nine hundred twenty-one".

Divisors: 1 19 361 9719 184661 3508559 94458961 1794720259 34099684921