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121001000319 = 3219707608189
BaseRepresentation
bin111000010110000111…
…0001011110101111111
3102120022202201200210100
41300230032023311333
53440302224002234
6131330451212143
711512342350453
oct1605416136577
9376282650710
10121001000319
1147352a01511
121b54aba7053
13b5446b4954
145bdc274663
153232cd3399
hex1c2c38bd7f

121001000319 has 12 divisors (see below), whose sum is σ = 183978129400. Its totient is φ = 76421684304.

The previous prime is 121001000303. The next prime is 121001000327. The reversal of 121001000319 is 913000100121.

It is not a de Polignac number, because 121001000319 - 24 = 121001000303 is a prime.

It is a super-2 number, since 2×1210010003192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001000819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353803924 + ... + 353804265.

Almost surely, 2121001000319 is an apocalyptic number.

121001000319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121001000319 is a deficient number, since it is larger than the sum of its proper divisors (62977129081).

121001000319 is a wasteful number, since it uses less digits than its factorization.

121001000319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707608214 (or 707608211 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The spelling of 121001000319 in words is "one hundred twenty-one billion, one million, three hundred nineteen", and thus it is an aban number.

Divisors: 1 3 9 19 57 171 707608189 2122824567 6368473701 13444555591 40333666773 121001000319