Search a number
-
+
10123211122031 = 710871330425959
BaseRepresentation
bin1001001101001111111001…
…1001110010010101101111
31022211202202222200202122102
42103103332121302111233
52311324314021401111
633310312231005315
72063243415531440
oct223237631622557
938752688622572
1010123211122031
1132532588486a7
121175b42b0983b
135857cb6a68a7
1426dd74b172c7
151284dbc9213b
hex934fe67256f

10123211122031 has 8 divisors (see below), whose sum is σ = 11580027555840. Its totient is φ = 8669055542328.

The previous prime is 10123211122001. The next prime is 10123211122033. The reversal of 10123211122031 is 13022111232101.

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 10123211122031 - 226 = 10123144013167 is a prime.

It is a super-2 number, since 2×101232111220312 (a number of 27 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 = 10123211121994 and 10123211122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123211122033) 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, 665205371 + ... + 665220588.

It is an arithmetic number, because the mean of its divisors is an integer number (1447503444480).

Almost surely, 210123211122031 is an apocalyptic number.

10123211122031 is a deficient number, since it is larger than the sum of its proper divisors (1456816433809).

10123211122031 is a wasteful number, since it uses less digits than its factorization.

10123211122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330427053.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10123211122031 its reverse (13022111232101), we get a palindrome (23145322354132).

The spelling of 10123211122031 in words is "ten trillion, one hundred twenty-three billion, two hundred eleven million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 7 1087 7609 1330425959 9312981713 1446173017433 10123211122031