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35242131220 = 2254094308329
BaseRepresentation
bin100000110100100110…
…000011111100010100
310100222002021202112021
4200310212003330110
51034133441144340
624105013102524
72355222113152
oct406446037424
9110862252467
1035242131220
1113a4529a88a
1269b6627a44
13342843c8aa
1419c47383d2
15db3e5ce4a
hex834983f14

35242131220 has 24 divisors (see below), whose sum is σ = 74189442600. Its totient is φ = 14062382592.

The previous prime is 35242131181. The next prime is 35242131227. The reversal of 35242131220 is 2213124253.

It can be written as a sum of positive squares in 4 ways, for example, as 22754515716 + 12487615504 = 150846^2 + 111748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35242131227) 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, 2145985 + ... + 2162344.

It is an arithmetic number, because the mean of its divisors is an integer number (3091226775).

Almost surely, 235242131220 is an apocalyptic number.

It is an amenable number.

35242131220 is an abundant number, since it is smaller than the sum of its proper divisors (38947311380).

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

35242131220 is a wasteful number, since it uses less digits than its factorization.

35242131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308747 (or 4308745 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 35242131220 its reverse (2213124253), we get a palindrome (37455255473).

The spelling of 35242131220 in words is "thirty-five billion, two hundred forty-two million, one hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 409 818 1636 2045 4090 8180 4308329 8616658 17233316 21541645 43083290 86166580 1762106561 3524213122 7048426244 8810532805 17621065610 35242131220