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161040102 = 2331865807
BaseRepresentation
bin10011001100101…
…00011011100110
3102020000200111020
421212110123212
5312211240402
623551352010
73663550446
oct1146243346
9366020436
10161040102
11829a28a3
1245b22606
1327496002
1417560126
15e2108bc
hex99946e6

161040102 has 16 divisors (see below), whose sum is σ = 332470272. Its totient is φ = 51948360.

The previous prime is 161040097. The next prime is 161040107. The reversal of 161040102 is 201040161.

161040102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161040097) and next prime (161040107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161040107) 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, 432718 + ... + 433089.

It is an arithmetic number, because the mean of its divisors is an integer number (20779392).

Almost surely, 2161040102 is an apocalyptic number.

161040102 is an abundant number, since it is smaller than the sum of its proper divisors (171430170).

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

161040102 is a wasteful number, since it uses less digits than its factorization.

161040102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865843.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 161040102 is about 12690.1576822355. The cubic root of 161040102 is about 544.0573464452.

Adding to 161040102 its reverse (201040161), we get a palindrome (362080263).

The spelling of 161040102 in words is "one hundred sixty-one million, forty thousand, one hundred two".

Divisors: 1 2 3 6 31 62 93 186 865807 1731614 2597421 5194842 26840017 53680034 80520051 161040102