Search a number
-
+
60668629987 = 7124915594451
BaseRepresentation
bin111000100000001000…
…011101001111100011
312210121002201201122211
4320200020131033203
51443222132124422
643512031142551
74245265563160
oct704010351743
9183532651584
1060668629987
1123802950729
12b911974a57
13594b134b34
142d175c3067
1518a12ca577
hexe2021d3e3

60668629987 has 16 divisors (see below), whose sum is σ = 69451200000. Its totient is φ = 51915052800.

The previous prime is 60668629951. The next prime is 60668630023. The reversal of 60668629987 is 78992686606.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60668629951) and next prime (60668630023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60668629987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60668621987) 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, 13628112 + ... + 13632562.

It is an arithmetic number, because the mean of its divisors is an integer number (4340700000).

Almost surely, 260668629987 is an apocalyptic number.

60668629987 is a deficient number, since it is larger than the sum of its proper divisors (8782570013).

60668629987 is a wasteful number, since it uses less digits than its factorization.

60668629987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 60668629987 in words is "sixty billion, six hundred sixty-eight million, six hundred twenty-nine thousand, nine hundred eighty-seven".

Divisors: 1 7 1249 1559 4451 8743 10913 31157 1947191 5559299 6939109 13630337 38915093 48573763 8666947141 60668629987