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70103341021 = 728916075061
BaseRepresentation
bin100000101001001111…
…1000001011111011101
320200221121210201002211
41001102133001133131
52122032423403041
652112141520421
75031140365300
oct1012237013735
9220847721084
1070103341021
112780456577a
1211705573111
1367c298aa9c
143570636b37
151c54725481
hex10527c17dd

70103341021 has 12 divisors (see below), whose sum is σ = 82465068060. Its totient is φ = 59413421760.

The previous prime is 70103340961. The next prime is 70103341043. The reversal of 70103341021 is 12014330107.

It can be written as a sum of positive squares in 2 ways, for example, as 16450884121 + 53652456900 = 128261^2 + 231630^2 .

It is not a de Polignac number, because 70103341021 - 223 = 70094952413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70103340983 and 70103341001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70103341921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8033170 + ... + 8041891.

It is an arithmetic number, because the mean of its divisors is an integer number (6872089005).

Almost surely, 270103341021 is an apocalyptic number.

It is an amenable number.

70103341021 is a deficient number, since it is larger than the sum of its proper divisors (12361727039).

70103341021 is a wasteful number, since it uses less digits than its factorization.

70103341021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075164 (or 16075157 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 70103341021 its reverse (12014330107), we get a palindrome (82117671128).

The spelling of 70103341021 in words is "seventy billion, one hundred three million, three hundred forty-one thousand, twenty-one".

Divisors: 1 7 49 89 623 4361 16075061 112525427 787677989 1430680429 10014763003 70103341021