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1312300020030 = 235231938798101
BaseRepresentation
bin10011000110001011001…
…011010011000100111110
311122110021110000012200120
4103012023023103010332
5133000042301120110
62442510131435410
7163545006060156
oct23061313230476
94573243005616
101312300020030
114665a81712aa
121923ba755b66
1396998465bbc
1447730d83766
1524208baa870
hex1318b2d313e

1312300020030 has 64 divisors (see below), whose sum is σ = 3286658723328. Its totient is φ = 334710921600.

The previous prime is 1312300020029. The next prime is 1312300020037. The reversal of 1312300020030 is 300200032131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1312300019991 and 1312300020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312300020037) 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, 13327980 + ... + 13426080.

It is an arithmetic number, because the mean of its divisors is an integer number (51354042552).

Almost surely, 21312300020030 is an apocalyptic number.

1312300020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312300020030 is an abundant number, since it is smaller than the sum of its proper divisors (1974358703298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312300020030 is a wasteful number, since it uses less digits than its factorization.

1312300020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117521.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1312300020030 its reverse (300200032131), we get a palindrome (1612500052161).

The spelling of 1312300020030 in words is "one trillion, three hundred twelve billion, three hundred million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 19387 38774 58161 96935 98101 116322 193870 196202 290805 294303 445901 490505 581610 588606 891802 981010 1337703 1471515 2229505 2256323 2675406 2943030 4459010 4512646 6688515 6768969 11281615 13377030 13537938 22563230 33844845 67689690 1901884087 3803768174 5705652261 9509420435 11411304522 19018840870 28528261305 43743334001 57056522610 87486668002 131230002003 218716670005 262460004006 437433340010 656150010015 1312300020030