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102120201302 = 273110119312071
BaseRepresentation
bin101111100011011010…
…1101001110001010110
3100202120221011201122212
41133012311221301112
53133120232420202
6114525142153422
710243430250260
oct1370665516126
9322527151585
10102120201302
113a344211789
121795ba22872
139825b51522
144d2a888b30
1529ca442652
hex17c6d69c56

102120201302 has 64 divisors (see below), whose sum is σ = 183460405248. Its totient is φ = 41713920000.

The previous prime is 102120201301. The next prime is 102120201311. The reversal of 102120201302 is 203102021201.

It is a happy number.

It is a super-2 number, since 2×1021202013022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120201301) 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, 8453927 + ... + 8465997.

It is an arithmetic number, because the mean of its divisors is an integer number (2866568832).

Almost surely, 2102120201302 is an apocalyptic number.

102120201302 is a deficient number, since it is larger than the sum of its proper divisors (81340203946).

102120201302 is a wasteful number, since it uses less digits than its factorization.

102120201302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102120201302 its reverse (203102021201), we get a palindrome (305222222503).

The spelling of 102120201302 in words is "one hundred two billion, one hundred twenty million, two hundred one thousand, three hundred two".

Divisors: 1 2 7 14 31 62 101 193 202 217 386 434 707 1351 1414 2702 3131 5983 6262 11966 12071 19493 21917 24142 38986 41881 43834 83762 84497 136451 168994 272902 374201 604283 748402 1208566 1219171 2329703 2438342 2619407 4229981 4659406 5238814 8459962 8534197 16307921 17068394 32615842 37794301 72220793 75588602 144441586 235300003 264560107 470600006 505545551 529120214 1011091102 1647100021 3294200042 7294300093 14588600186 51060100651 102120201302