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203101233023 = 1315623171771
BaseRepresentation
bin1011110100100111000…
…1101101111101111111
3201102020110210122102202
42331021301231331333
511311422403424043
6233145312142115
720450015665463
oct2751161557577
9642213718382
10203101233023
11791533954a7
123344223793b
13161c99894c0
149b89d1a4a3
15543a8631b8
hex2f49c6df7f

203101233023 has 4 divisors (see below), whose sum is σ = 218724404808. Its totient is φ = 187478061240.

The previous prime is 203101233007. The next prime is 203101233043. The reversal of 203101233023 is 320332101302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203101233023 - 24 = 203101233007 is a prime.

It is a super-2 number, since 2×2031012330232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203101232986 and 203101233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203101233043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7811585873 + ... + 7811585898.

It is an arithmetic number, because the mean of its divisors is an integer number (54681101202).

Almost surely, 2203101233023 is an apocalyptic number.

203101233023 is a deficient number, since it is larger than the sum of its proper divisors (15623171785).

203101233023 is a wasteful number, since it uses less digits than its factorization.

203101233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15623171784.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203101233023 its reverse (320332101302), we get a palindrome (523433334325).

The spelling of 203101233023 in words is "two hundred three billion, one hundred one million, two hundred thirty-three thousand, twenty-three".

Divisors: 1 13 15623171771 203101233023