Search a number
-
+
2691689425190 = 251741478216641
BaseRepresentation
bin100111001010110101001…
…100010010100100100110
3100112022201110112022020222
4213022311030102210212
5323100034443101230
65420313421524342
7365316400416353
oct47126514224446
910468643468228
102691689425190
119485a2565637
123758014136b2
13166a9602a00c
14943c816362a
154a03c68c6e5
hex272b5312926

2691689425190 has 64 divisors (see below), whose sum is σ = 5366979088128. Its totient is φ = 967591526400.

The previous prime is 2691689425157. The next prime is 2691689425283. The reversal of 2691689425190 is 915249861962.

It is a super-2 number, since 2×26916894251902 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3780731 + ... + 4435910.

It is an arithmetic number, because the mean of its divisors is an integer number (83859048252).

Almost surely, 22691689425190 is an apocalyptic number.

2691689425190 is a deficient number, since it is larger than the sum of its proper divisors (2675289662938).

2691689425190 is a wasteful number, since it uses less digits than its factorization.

2691689425190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216753.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 2691689425190 in words is "two trillion, six hundred ninety-one billion, six hundred eighty-nine million, four hundred twenty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 17 34 41 47 82 85 94 170 205 235 410 470 697 799 1394 1598 1927 3485 3854 3995 6970 7990 9635 19270 32759 65518 163795 327590 8216641 16433282 41083205 82166410 139682897 279365794 336882281 386182127 673764562 698414485 772364254 1396828970 1684411405 1930910635 3368822810 3861821270 5726998777 6565096159 11453997554 13130192318 15833467207 28634993885 31666934414 32825480795 57269987770 65650961590 79167336035 158334672070 269168942519 538337885038 1345844712595 2691689425190