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310001120023 = 7257172318577
BaseRepresentation
bin1001000001011011000…
…00011011001100010111
31002122011111210120020211
410200231200123030113
520034340241320043
6354225035510251
731253055020560
oct4405540331427
91078144716224
10310001120023
1110a51a606851
12500b68b8387
1323304b1baca
141100b4b7167
1580e56dda9d
hex482d81b317

310001120023 has 8 divisors (see below), whose sum is σ = 355665544992. Its totient is φ = 264681332736.

The previous prime is 310001119991. The next prime is 310001120059. The reversal of 310001120023 is 320021100013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 310001120023 - 25 = 310001119991 is a prime.

It is a super-2 number, since 2×3100011200232 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 310001119985 and 310001120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310001129023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86157490 + ... + 86161087.

It is an arithmetic number, because the mean of its divisors is an integer number (44458193124).

Almost surely, 2310001120023 is an apocalyptic number.

310001120023 is a deficient number, since it is larger than the sum of its proper divisors (45664424969).

310001120023 is a wasteful number, since it uses less digits than its factorization.

310001120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172318841.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 310001120023 its reverse (320021100013), we get a palindrome (630022220036).

The spelling of 310001120023 in words is "three hundred ten billion, one million, one hundred twenty thousand, twenty-three".

Divisors: 1 7 257 1799 172318577 1206230039 44285874289 310001120023