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1026412021231 = 31733253139429
BaseRepresentation
bin11101110111110101110…
…11001000010111101111
310122010100102022010021121
432323322323020113233
5113304042434134411
62103305511441411
7134104306141252
oct16737273102757
93563312263247
101026412021231
11366331911413
12146b13386267
1375a371cc37c
1437970151099
151ba753a5571
hexeefaec85ef

1026412021231 has 16 divisors (see below), whose sum is σ = 1074373960960. Its totient is φ = 979386888960.

The previous prime is 1026412021183. The next prime is 1026412021307. The reversal of 1026412021231 is 1321202146201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1026412021231 is a prime.

It is a super-2 number, since 2×10264120212312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1026412021196 and 1026412021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026412022231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7291825 + ... + 7431253.

It is an arithmetic number, because the mean of its divisors is an integer number (67148372560).

Almost surely, 21026412021231 is an apocalyptic number.

1026412021231 is a deficient number, since it is larger than the sum of its proper divisors (47961939729).

1026412021231 is a wasteful number, since it uses less digits than its factorization.

1026412021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142786.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1026412021231 its reverse (1321202146201), we get a palindrome (2347614167432).

The spelling of 1026412021231 in words is "one trillion, twenty-six billion, four hundred twelve million, twenty-one thousand, two hundred thirty-one".

Divisors: 1 31 73 2263 3253 100843 139429 237469 4322299 7361539 10178317 315527827 453562537 14060438647 33110065201 1026412021231