Search a number
-
+
70229115908 = 22729137631307
BaseRepresentation
bin100000101100111111…
…0110100010000000100
320201021101110201210222
41001121332310100010
52122312123202113
652132433403512
75034225431030
oct1013176642004
9221241421728
1070229115908
1127869561266
121173b709598
136812a573b3
1435832171c0
151c607bbe08
hex1059fb4404

70229115908 has 48 divisors (see below), whose sum is σ = 146362446720. Its totient is φ = 28848158976.

The previous prime is 70229115907. The next prime is 70229115911. The reversal of 70229115908 is 80951192207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70229115907) 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, 204410 + ... + 426897.

It is an arithmetic number, because the mean of its divisors is an integer number (3049217640).

Almost surely, 270229115908 is an apocalyptic number.

It is an amenable number.

70229115908 is an abundant number, since it is smaller than the sum of its proper divisors (76133330812).

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

70229115908 is a wasteful number, since it uses less digits than its factorization.

70229115908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631484 (or 631482 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 70229115908 in words is "seventy billion, two hundred twenty-nine million, one hundred fifteen thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 29 58 116 137 203 274 406 548 812 959 1918 3836 3973 7946 15892 27811 55622 111244 631307 1262614 2525228 4419149 8838298 17676596 18307903 36615806 73231612 86489059 128155321 172978118 256310642 345956236 512621284 605423413 1210846826 2421693652 2508182711 5016365422 10032730844 17557278977 35114557954 70229115908