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121131320302130 = 2531390746194523
BaseRepresentation
bin11011100010101100010101…
…010100010101101000110010
3120212220001002222112000002012
4123202230111110111220302
5111334103420444132010
61105342543233122522
734341310016115665
oct3342542524255062
9525801088460065
10121131320302130
1135661560472816
121170408a0b9442
135278832c92aa8
1421cab040696dc
15e00d84ad1005
hex6e2b15515a32

121131320302130 has 16 divisors (see below), whose sum is σ = 225069808045824. Its totient is φ = 46889543342640.

The previous prime is 121131320302127. The next prime is 121131320302151. The reversal of 121131320302130 is 31203023131121.

It is a junction number, because it is equal to n+sod(n) for n = 121131320302096 and 121131320302105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195373096952 + ... + 195373097571.

It is an arithmetic number, because the mean of its divisors is an integer number (14066863002864).

Almost surely, 2121131320302130 is an apocalyptic number.

121131320302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131320302130 is a deficient number, since it is larger than the sum of its proper divisors (103938487743694).

121131320302130 is a wasteful number, since it uses less digits than its factorization.

121131320302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390746194561.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121131320302130 its reverse (31203023131121), we get a palindrome (152334343433251).

The spelling of 121131320302130 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred twenty million, three hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 390746194523 781492389046 1953730972615 3907461945230 12113132030213 24226264060426 60565660151065 121131320302130