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60090505993 = 721637523539
BaseRepresentation
bin110111111101101011…
…000101101100001001
312202002210212222122001
4313331223011230021
51441031132142433
643334420031001
74225045605400
oct677553055411
9182083788561
1060090505993
1123536584601
12b790232461
13588842852b
142ca08d2637
15186a67e57d
hexdfdac5b09

60090505993 has 12 divisors (see below), whose sum is σ = 70330051920. Its totient is φ = 51190152552.

The previous prime is 60090505907. The next prime is 60090506011. The reversal of 60090505993 is 39950509006.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-60090505993 is a prime.

It is a super-2 number, since 2×600905059932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60090505093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3753783 + ... + 3769756.

It is an arithmetic number, because the mean of its divisors is an integer number (5860837660).

Almost surely, 260090505993 is an apocalyptic number.

It is an amenable number.

60090505993 is a deficient number, since it is larger than the sum of its proper divisors (10239545927).

60090505993 is a wasteful number, since it uses less digits than its factorization.

60090505993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523716 (or 7523709 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 46.

The spelling of 60090505993 in words is "sixty billion, ninety million, five hundred five thousand, nine hundred ninety-three".

Divisors: 1 7 49 163 1141 7987 7523539 52664773 368653411 1226336857 8584357999 60090505993