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40220120100001 = 372394894538957
BaseRepresentation
bin10010010010100011110011…
…11110001010110010100001
312021102000011022201200021211
421021101321332022302201
520232431301221200001
6221312511301550121
711320544033033302
oct1111217176126241
9167360138650254
1040220120100001
11118a7291295196
124616b18a15341
131959983121b4a
149d09427c67a9
1549b33e732351
hex249479f8aca1

40220120100001 has 8 divisors (see below), whose sum is σ = 41307331953960. Its totient is φ = 39132917803008.

The previous prime is 40220120099993. The next prime is 40220120100047. The reversal of 40220120100001 is 10000102102204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18403756801600 + 21816363298401 = 4289960^2 + 4670799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40220120100001 - 23 = 40220120099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220124100001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6591615 + ... + 11130571.

It is an arithmetic number, because the mean of its divisors is an integer number (5163416494245).

Almost surely, 240220120100001 is an apocalyptic number.

It is an amenable number.

40220120100001 is a deficient number, since it is larger than the sum of its proper divisors (1087211853959).

40220120100001 is a wasteful number, since it uses less digits than its factorization.

40220120100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778483.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 40220120100001 its reverse (10000102102204), we get a palindrome (50220222202205).

The spelling of 40220120100001 in words is "forty trillion, two hundred twenty billion, one hundred twenty million, one hundred thousand, one".

Divisors: 1 37 239489 4538957 8861093 167941409 1087030272973 40220120100001