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3217257012 = 2231361196991
BaseRepresentation
bin1011111111000011…
…0111001000110100
322022012211120221010
42333300313020310
523042104211022
61251124552220
7142504143024
oct27760671064
98265746833
103217257012
11140106a8a2
12759552670
133c3701598
142273dba84
1513c6ab50c
hexbfc37234

3217257012 has 24 divisors (see below), whose sum is σ = 7512486912. Its totient is φ = 1071625600.

The previous prime is 3217256969. The next prime is 3217257047. The reversal of 3217257012 is 2107527123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82164 + ... + 114827.

It is an arithmetic number, because the mean of its divisors is an integer number (313020288).

Almost surely, 23217257012 is an apocalyptic number.

It is an amenable number.

3217257012 is an abundant number, since it is smaller than the sum of its proper divisors (4295229900).

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

3217257012 is a wasteful number, since it uses less digits than its factorization.

3217257012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198359 (or 198357 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 3217257012 is about 56720.8692810680. The cubic root of 3217257012 is about 1476.2568258523.

The spelling of 3217257012 in words is "three billion, two hundred seventeen million, two hundred fifty-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 1361 2722 4083 5444 8166 16332 196991 393982 590973 787964 1181946 2363892 268104751 536209502 804314253 1072419004 1608628506 3217257012