Search a number
-
+
122025144440 = 2356414759171
BaseRepresentation
bin111000110100101000…
…0111111000001111000
3102122222010211121102002
41301221100333001320
53444401414110230
6132020234200132
711546616420413
oct1615120770170
9378863747362
10122025144440
1147829016111
121b795b83048
13b6789265a4
145c982a8b7a
153292b83545
hex1c6943f078

122025144440 has 32 divisors (see below), whose sum is σ = 274984958160. Its totient is φ = 48733900800.

The previous prime is 122025144421. The next prime is 122025144457. The reversal of 122025144440 is 44441520221.

It is a happy number.

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, 2353946 + ... + 2405225.

Almost surely, 2122025144440 is an apocalyptic number.

122025144440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122025144440 is an abundant number, since it is smaller than the sum of its proper divisors (152959813720).

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

122025144440 is a wasteful number, since it uses less digits than its factorization.

122025144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759823 (or 4759819 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 122025144440 its reverse (44441520221), we get a palindrome (166466664661).

The spelling of 122025144440 in words is "one hundred twenty-two billion, twenty-five million, one hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 641 1282 2564 3205 5128 6410 12820 25640 4759171 9518342 19036684 23795855 38073368 47591710 95183420 190366840 3050628611 6101257222 12202514444 15253143055 24405028888 30506286110 61012572220 122025144440