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106251003251 = 2319531236527
BaseRepresentation
bin110001011110100001…
…1011010010101110011
3101011020211000012122122
41202331003122111303
53220100224101001
6120451103424455
710450666424531
oct1427503322563
9334224005578
10106251003251
1141073a15398
12187132b512b
13a0338ac733
1451dd32b151
152b6ce03b1b
hex18bd0da573

106251003251 has 8 divisors (see below), whose sum is σ = 110876757504. Its totient is φ = 101625761160.

The previous prime is 106251003239. The next prime is 106251003253. The reversal of 106251003251 is 152300152601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106251003251 is a prime.

It is a super-2 number, since 2×1062510032512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106251003251.

It is not an unprimeable number, because it can be changed into a prime (106251003253) 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, 330950 + ... + 567476.

It is an arithmetic number, because the mean of its divisors is an integer number (13859594688).

Almost surely, 2106251003251 is an apocalyptic number.

106251003251 is a deficient number, since it is larger than the sum of its proper divisors (4625754253).

106251003251 is a wasteful number, since it uses less digits than its factorization.

106251003251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256081.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 106251003251 its reverse (152300152601), we get a palindrome (258551155852).

The spelling of 106251003251 in words is "one hundred six billion, two hundred fifty-one million, three thousand, two hundred fifty-one".

Divisors: 1 23 19531 236527 449213 5440121 4619608837 106251003251