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102012121322 = 2165730782173
BaseRepresentation
bin101111100000001100…
…1010111000011101010
3100202022101210200210122
41133000121113003222
53132410100340242
6114510321443242
710240645503266
oct1370031270352
9322271720718
10102012121322
113a299201691
121792b7a0522
13980963c087
144d1a3930a6
1529c0be3ad2
hex17c06570ea

102012121322 has 8 divisors (see below), whose sum is σ = 153110533476. Its totient is φ = 50975276832.

The previous prime is 102012121307. The next prime is 102012121339. The reversal of 102012121322 is 223121210201.

It can be written as a sum of positive squares in 2 ways, for example, as 102010610881 + 1510441 = 319391^2 + 1229^2 .

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

It is a super-2 number, since 2×1020121213222 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102012121322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15387773 + ... + 15394400.

Almost surely, 2102012121322 is an apocalyptic number.

102012121322 is a deficient number, since it is larger than the sum of its proper divisors (51098412154).

102012121322 is a wasteful number, since it uses less digits than its factorization.

102012121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30783832.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102012121322 its reverse (223121210201), we get a palindrome (325133331523).

The spelling of 102012121322 in words is "one hundred two billion, twelve million, one hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 1657 3314 30782173 61564346 51006060661 102012121322