Search a number
-
+
2207311501830 = 235193872476319
BaseRepresentation
bin100000000111101110000…
…001001001101000000110
321211000110100000022102120
4200013232001021220012
5242131033221024310
64410005213550410
7315321144123651
oct40075601115006
97730410008376
102207311501830
1178112a886586
122b79601a5406
131301c1583596
1478b97a16898
153c63d29cb70
hex201ee049a06

2207311501830 has 32 divisors (see below), whose sum is σ = 5576365900800. Its totient is φ = 557636589792.

The previous prime is 2207311501763. The next prime is 2207311501883. The reversal of 2207311501830 is 381051137022.

It is a happy number.

It is a super-2 number, since 2×22073115018302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2207311501791 and 2207311501800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936237590 + ... + 1936238729.

It is an arithmetic number, because the mean of its divisors is an integer number (174261434400).

Almost surely, 22207311501830 is an apocalyptic number.

2207311501830 is an abundant number, since it is smaller than the sum of its proper divisors (3369054398970).

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

2207311501830 is a wasteful number, since it uses less digits than its factorization.

2207311501830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872476348.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 2207311501830 its reverse (381051137022), we get a palindrome (2588362638852).

The spelling of 2207311501830 in words is "two trillion, two hundred seven billion, three hundred eleven million, five hundred one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 3872476319 7744952638 11617428957 19362381595 23234857914 38724763190 58087144785 73577050061 116174289570 147154100122 220731150183 367885250305 441462300366 735770500610 1103655750915 2207311501830