Search a number
-
+
68740001235 = 32511322376043
BaseRepresentation
bin100000000000100111…
…0010010110111010011
320120102121102212111200
41000001032102313103
52111234420014420
651325000442243
74652304240603
oct1000116226723
9216377385450
1068740001235
1127174a36384
12113a4a79383
1366363a6959
143481548c03
151bc4bc2b90
hex1001392dd3

68740001235 has 48 divisors (see below), whose sum is σ = 120277389024. Its totient is φ = 36314643456.

The previous prime is 68740001233. The next prime is 68740001249. The reversal of 68740001235 is 53210004786.

It is not a de Polignac number, because 68740001235 - 21 = 68740001233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68740001235.

It is not an unprimeable number, because it can be changed into a prime (68740001233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11372124 + ... + 11378166.

It is an arithmetic number, because the mean of its divisors is an integer number (2505778938).

Almost surely, 268740001235 is an apocalyptic number.

68740001235 is a deficient number, since it is larger than the sum of its proper divisors (51537387789).

68740001235 is a wasteful number, since it uses less digits than its factorization.

68740001235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404 (or 8401 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 68740001235 in words is "sixty-eight billion, seven hundred forty million, one thousand, two hundred thirty-five".

Divisors: 1 3 5 9 15 45 113 339 565 1017 1695 2237 5085 6043 6711 11185 18129 20133 30215 33555 54387 90645 100665 252781 271935 682859 758343 1263905 2048577 2275029 3414295 3791715 6145731 10242885 11375145 13518191 30728655 40554573 67590955 121663719 202772865 608318595 1527555583 4582666749 7637777915 13748000247 22913333745 68740001235