Search a number
-
+
207156052005 = 3571972914781
BaseRepresentation
bin1100000011101101110…
…1101000000000100101
3201210201001122210101120
43000323131220000211
511343223422131010
6235055521044153
720652343250250
oct3007335500045
9653631583346
10207156052005
117a944210a71
1234194186659
13166c4a62886
14a052660097
1555c6815e70
hex303b768025

207156052005 has 16 divisors (see below), whose sum is σ = 378799638144. Its totient is φ = 94699909440.

The previous prime is 207156052003. The next prime is 207156052039. The reversal of 207156052005 is 500250651702.

It is not a de Polignac number, because 207156052005 - 21 = 207156052003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207156052003) 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, 986457286 + ... + 986457495.

It is an arithmetic number, because the mean of its divisors is an integer number (23674977384).

Almost surely, 2207156052005 is an apocalyptic number.

It is an amenable number.

207156052005 is a deficient number, since it is larger than the sum of its proper divisors (171643586139).

207156052005 is a wasteful number, since it uses less digits than its factorization.

207156052005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972914796.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 207156052005 in words is "two hundred seven billion, one hundred fifty-six million, fifty-two thousand, five".

Divisors: 1 3 5 7 15 21 35 105 1972914781 5918744343 9864573905 13810403467 29593721715 41431210401 69052017335 207156052005