Search a number
-
+
70550472272 = 247629914931
BaseRepresentation
bin100000110110100100…
…0101100011001010000
320202002210011022212112
41001231020230121100
52123441410103042
652224353244452
75045210056040
oct1015510543120
9222083138775
1070550472272
1127a139a2035
121180b263728
1368644c1aa7
1435b3b89720
151c7dae8982
hex106d22c650

70550472272 has 20 divisors (see below), whose sum is σ = 156218903136. Its totient is φ = 30235916640.

The previous prime is 70550472271. The next prime is 70550472281. The reversal of 70550472272 is 27227405507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70550472271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314957354 + ... + 314957577.

Almost surely, 270550472272 is an apocalyptic number.

It is an amenable number.

70550472272 is an abundant number, since it is smaller than the sum of its proper divisors (85668430864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70550472272 is a wasteful number, since it uses less digits than its factorization.

70550472272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629914946 (or 629914940 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

Adding to 70550472272 its reverse (27227405507), we get a palindrome (97777877779).

The spelling of 70550472272 in words is "seventy billion, five hundred fifty million, four hundred seventy-two thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 629914931 1259829862 2519659724 4409404517 5039319448 8818809034 10078638896 17637618068 35275236136 70550472272