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100212043431 = 3233143364869
BaseRepresentation
bin101110101010100011…
…0100110111010100111
3100120122221122021011010
41131111012212322213
53120213240342211
6114011535513303
710145230212633
oct1352506467247
9316587567133
10100212043431
11395550a4505
1217508988833
1395b0722726
144bc9299dc3
152917b724a6
hex17551a6ea7

100212043431 has 8 divisors (see below), whose sum is σ = 134189518320. Its totient is φ = 66521298752.

The previous prime is 100212043429. The next prime is 100212043457. The reversal of 100212043431 is 134340212001.

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 100212043431 - 21 = 100212043429 is a prime.

It is a super-2 number, since 2×1002120434312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100212043398 and 100212043407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212043231) 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, 71681736 + ... + 71683133.

It is an arithmetic number, because the mean of its divisors is an integer number (16773689790).

Almost surely, 2100212043431 is an apocalyptic number.

100212043431 is a deficient number, since it is larger than the sum of its proper divisors (33977474889).

100212043431 is a wasteful number, since it uses less digits than its factorization.

100212043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143365105.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100212043431 its reverse (134340212001), we get a palindrome (234552255432).

The spelling of 100212043431 in words is "one hundred billion, two hundred twelve million, forty-three thousand, four hundred thirty-one".

Divisors: 1 3 233 699 143364869 430094607 33404014477 100212043431