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155384400470 = 251311310577563
BaseRepresentation
bin1001000010110110100…
…0011100101001010110
3112212002000011101202012
42100231220130221112
510021211401303340
6155214350544222
714140366416545
oct2205550345126
9485060141665
10155384400470
115a9974969a2
1226145b08072
1311863c4a140
14774091615c
154096667565
hex242da1ca56

155384400470 has 32 divisors (see below), whose sum is σ = 303872258592. Its totient is φ = 56864973312.

The previous prime is 155384400461. The next prime is 155384400491. The reversal of 155384400470 is 74004483551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274092 + ... + 5303471.

It is an arithmetic number, because the mean of its divisors is an integer number (9496008081).

Almost surely, 2155384400470 is an apocalyptic number.

155384400470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155384400470 is a deficient number, since it is larger than the sum of its proper divisors (148487858122).

155384400470 is a wasteful number, since it uses less digits than its factorization.

155384400470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577696.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 155384400470 in words is "one hundred fifty-five billion, three hundred eighty-four million, four hundred thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 113 130 226 565 1130 1469 2938 7345 14690 10577563 21155126 52887815 105775630 137508319 275016638 687541595 1195264619 1375083190 2390529238 5976323095 11952646190 15538440047 31076880094 77692200235 155384400470