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103121230102 = 2116306774323
BaseRepresentation
bin110000000001010000…
…0010001100100010110
3100212011200210021000121
41200002200101210112
53142143013330402
6115212341502154
710310303664502
oct1400240214426
9325150707017
10103121230102
113a808278510
1217b9b11195a
13995535ba67
144dc37c3302
152a38278837
hex1802811916

103121230102 has 16 divisors (see below), whose sum is σ = 168748777152. Its totient is φ = 46871912520.

The previous prime is 103121230049. The next prime is 103121230103. The reversal of 103121230102 is 201032121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121230103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350313 + ... + 1424635.

It is an arithmetic number, because the mean of its divisors is an integer number (10546798572).

Almost surely, 2103121230102 is an apocalyptic number.

103121230102 is a deficient number, since it is larger than the sum of its proper divisors (65627547050).

103121230102 is a wasteful number, since it uses less digits than its factorization.

103121230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137403.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103121230102 its reverse (201032121301), we get a palindrome (304153351403).

The spelling of 103121230102 in words is "one hundred three billion, one hundred twenty-one million, two hundred thirty thousand, one hundred two".

Divisors: 1 2 11 22 63067 74323 126134 148646 693737 817553 1387474 1635106 4687328641 9374657282 51560615051 103121230102