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103020312122 = 27135326939703
BaseRepresentation
bin101111111110001111…
…1010011011000111010
3100211220122220002120122
41133330133103120322
53141441144441442
6115154334453242
710304640130130
oct1377437233072
9324818802518
10103020312122
113a76630a322
1217b71364222
13993a486490
144db4233750
152a2e491dd2
hex17fc7d363a

103020312122 has 64 divisors (see below), whose sum is σ = 194505131520. Its totient is φ = 39836669184.

The previous prime is 103020312121. The next prime is 103020312179. The reversal of 103020312122 is 221213020301.

It is a super-2 number, since 2×1030203121222 (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 103020312122.

It is not an unprimeable number, because it can be changed into a prime (103020312121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2574923 + ... + 2614625.

It is an arithmetic number, because the mean of its divisors is an integer number (3039142680).

Almost surely, 2103020312122 is an apocalyptic number.

103020312122 is a deficient number, since it is larger than the sum of its proper divisors (91484819398).

103020312122 is a wasteful number, since it uses less digits than its factorization.

103020312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40047.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 103020312122 its reverse (221213020301), we get a palindrome (324233332423).

The spelling of 103020312122 in words is "one hundred three billion, twenty million, three hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 7 13 14 26 53 91 106 182 269 371 538 689 742 1378 1883 3497 3766 4823 6994 9646 14257 24479 28514 39703 48958 79406 99799 185341 199598 277921 370682 516139 555842 1032278 1297387 2104259 2594774 3612973 4208518 7225946 10680107 14729813 21360214 27355367 29459626 54710734 74760749 138841391 149521498 191487569 277682782 382975138 566045671 971889737 1132091342 1943779474 3962319697 7358593723 7924639394 14717187446 51510156061 103020312122