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398907071102 = 261137234710169
BaseRepresentation
bin1011100111000001011…
…01101101101001111110
31102010122112000211101202
411303200231231221332
523013430202233402
6503131054535502
740551201105251
oct5634055555176
91363575024352
10398907071102
111441a2707781
1265389207592
132b803095057
1415442d85098
15a59a9acb02
hex5ce0b6da7e

398907071102 has 32 divisors (see below), whose sum is σ = 612930278880. Its totient is φ = 194649684480.

The previous prime is 398907071063. The next prime is 398907071107. The reversal of 398907071102 is 201170709893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398907071107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39222674 + ... + 39232842.

It is an arithmetic number, because the mean of its divisors is an integer number (19154071215).

Almost surely, 2398907071102 is an apocalyptic number.

398907071102 is a deficient number, since it is larger than the sum of its proper divisors (214023207778).

398907071102 is a wasteful number, since it uses less digits than its factorization.

398907071102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 398907071102 in words is "three hundred ninety-eight billion, nine hundred seven million, seventy-one thousand, one hundred two".

Divisors: 1 2 61 122 137 274 2347 4694 8357 10169 16714 20338 143167 286334 321539 620309 643078 1240618 1393153 2786306 19613879 23866643 39227758 47733286 84982333 169964666 1455865223 2911730446 3269730091 6539460182 199453535551 398907071102