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124700090641 = 726128272
BaseRepresentation
bin111010000100010110…
…1000110000100010001
3102220212120012221202121
41310020231012010101
54020341210400031
6133141511414241
712003120165400
oct1641055060421
9386776187677
10124700090641
1148980a4a855
1220201984381
13b9b3b7a4a9
14606d659637
15339c91a011
hex1d08b46111

124700090641 has 27 divisors (see below), whose sum is σ = 147654836667. Its totient is φ = 105006439440.

The previous prime is 124700090621. The next prime is 124700090651. The reversal of 124700090641 is 146090007421.

The square root of 124700090641 is 353129.

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., 4055015041 + 120645075600 = 63679^2 + 347340^2 .

It is not a de Polignac number, because 124700090641 - 25 = 124700090609 is a prime.

It is a super-2 number, since 2×1247000906412 (a number of 23 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 = 124700090597 and 124700090606.

It is not an unprimeable number, because it can be changed into a prime (124700090621) 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, 150785670 + ... + 150786496.

Almost surely, 2124700090641 is an apocalyptic number.

124700090641 is the 353129-th square number.

124700090641 is the 176565-th centered octagonal number.

It is an amenable number.

124700090641 is a deficient number, since it is larger than the sum of its proper divisors (22954746026).

124700090641 is an frugal number, since it uses more digits than its factorization.

124700090641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 124700090641 in words is "one hundred twenty-four billion, seven hundred million, ninety thousand, six hundred forty-one".

Divisors: 1 7 49 61 427 827 2989 3721 5789 26047 40523 50447 182329 353129 683929 2471903 3077267 4787503 21540869 33512521 41719669 150786083 292037683 2044263781 2544899809 17814298663 124700090641