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123000203301213 = 3724312411805219
BaseRepresentation
bin11011111101111000110111…
…011011001101000101011101
3121010111201000122121002020010
4123331320313123031011131
5112110213404021114323
61113333302513513433
734623320462365200
oct3375706733150535
9533451018532203
10123000203301213
1136212103178117
121196631b272879
135382b3c0cb644
142253354d67937
15e347b6b56c93
hex6fde376cd15d

123000203301213 has 48 divisors (see below), whose sum is σ = 191298009277440. Its totient is φ = 70093582725600.

The previous prime is 123000203301149. The next prime is 123000203301221. The reversal of 123000203301213 is 312103302000321.

It is not a de Polignac number, because 123000203301213 - 26 = 123000203301149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 123000203301213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000203381213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152351118 + ... + 153156336.

It is an arithmetic number, because the mean of its divisors is an integer number (3985375193280).

Almost surely, 2123000203301213 is an apocalyptic number.

It is an amenable number.

123000203301213 is a deficient number, since it is larger than the sum of its proper divisors (68297805976227).

123000203301213 is a wasteful number, since it uses less digits than its factorization.

123000203301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808078 (or 808071 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123000203301213 its reverse (312103302000321), we get a palindrome (435103505301534).

The spelling of 123000203301213 in words is "one hundred twenty-three trillion, two hundred three million, three hundred one thousand, two hundred thirteen".

Divisors: 1 3 7 21 49 147 431 1293 2411 3017 7233 9051 16877 21119 50631 63357 118139 354417 805219 1039141 2415657 3117423 5636533 7273987 16909599 21821961 39455731 50917909 118367193 152753727 347049389 1041148167 1941383009 2429345723 5824149027 7288037169 13589681063 17005420061 40769043189 51016260183 95127767441 285383302323 836736076879 2510208230637 5857152538153 17571457614459 41000067767071 123000203301213