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100212223031 = 713649338677
BaseRepresentation
bin101110101010100011…
…1010010110000110111
3100120122221222101111222
41131111013102300313
53120213312114111
6114011543420555
710145231561354
oct1352507226067
9316587871458
10100212223031
1139555207438
1217508a5475b
1395b07863bb
144bc930562b
152917baa7db
hex17551d2c37

100212223031 has 8 divisors (see below), whose sum is σ = 101629075104. Its totient is φ = 98795521440.

The previous prime is 100212223009. The next prime is 100212223043. The reversal of 100212223031 is 130322212001.

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 100212223031 - 26 = 100212222967 is a prime.

It is a super-2 number, since 2×1002122230312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212223061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571665 + ... + 2610341.

It is an arithmetic number, because the mean of its divisors is an integer number (12703634388).

Almost surely, 2100212223031 is an apocalyptic number.

100212223031 is a deficient number, since it is larger than the sum of its proper divisors (1416852073).

100212223031 is an equidigital number, since it uses as much as digits as its factorization.

100212223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75241.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100212223031 its reverse (130322212001), we get a palindrome (230534435032).

The spelling of 100212223031 in words is "one hundred billion, two hundred twelve million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 71 36493 38677 2591003 2746067 1411439761 100212223031