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155254442206 = 2647719166871
BaseRepresentation
bin1001000010010111100…
…0101100100011011110
3112211201221121211112011
42100211320230203132
510020430114122311
6155153425301434
714134230661513
oct2204570544336
9484657554464
10155254442206
115a9300a3376
122610a49487a
1311843047666
14772b56730a
15408a046321
hex2425e2c8de

155254442206 has 16 divisors (see below), whose sum is σ = 233567400960. Its totient is φ = 77398978360.

The previous prime is 155254442201. The next prime is 155254442207. The reversal of 155254442206 is 602244452551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155254442201) 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, 846951 + ... + 1013821.

It is an arithmetic number, because the mean of its divisors is an integer number (14597962560).

Almost surely, 2155254442206 is an apocalyptic number.

155254442206 is a deficient number, since it is larger than the sum of its proper divisors (78312958754).

155254442206 is a wasteful number, since it uses less digits than its factorization.

155254442206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168239.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 155254442206 its reverse (602244452551), we get a palindrome (757498894757).

The spelling of 155254442206 in words is "one hundred fifty-five billion, two hundred fifty-four million, four hundred forty-two thousand, two hundred six".

Divisors: 1 2 647 719 1294 1438 166871 333742 465193 930386 107965537 119980249 215931074 239960498 77627221103 155254442206