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8507424729001 = 11253250032
BaseRepresentation
bin111101111001100101000…
…0001110110011110101001
31010010022011001112102112211
41323303022001312132221
52103341201212312001
630032131301005121
71535432626023052
oct173631201663651
933108131472484
108507424729001
11278aa84520500
12b549673b37a1
134993290371b3
14215a939bd729
15eb46e80d351
hex7bcca0767a9

8507424729001 has 27 divisors (see below), whose sum is σ = 9532807215127. Its totient is φ = 7586580818960.

The previous prime is 8507424728993. The next prime is 8507424729017. The reversal of 8507424729001 is 1009274247058.

The square root of 8507424729001 is 2916749.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6132977955225 + 2374446773776 = 2476485^2 + 1540924^2 .

It is not a de Polignac number, because 8507424729001 - 23 = 8507424728993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8507424726001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1700462166 + ... + 1700467168.

Almost surely, 28507424729001 is an apocalyptic number.

8507424729001 is the 2916749-th square number.

8507424729001 is the 1458375-th centered octagonal number.

It is an amenable number.

8507424729001 is a deficient number, since it is larger than the sum of its proper divisors (1025382486126).

8507424729001 is an frugal number, since it uses more digits than its factorization.

8507424729001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

Multiplying 8507424729001 by its sum of digits (49), we get a square (416863811721049 = 204172432).

The spelling of 8507424729001 in words is "eight trillion, five hundred seven billion, four hundred twenty-four million, seven hundred twenty-nine thousand, one".

Divisors: 1 11 53 121 583 2809 5003 6413 30899 55033 265159 339889 605363 2916749 14053427 25030009 32084239 154587697 275330099 1326590477 1700464667 3028631089 14592495247 70309295281 160517447717 773402248091 8507424729001