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29378587242945 = 35139191359205493
BaseRepresentation
bin1101010111000001111000…
…10000011011000111000001
310212000120021020221221101210
412223200330100123013001
512322314321313233240
6142252200415120333
76121350531200103
oct653407420330701
9125016236857353
1029378587242945
1193a7430667226
1233659255130a9
13135150950cbc5
14737d0734b573
1535e31017a780
hex1ab83c41b1c1

29378587242945 has 64 divisors (see below), whose sum is σ = 47724584140800. Its totient is φ = 15431232687360.

The previous prime is 29378587242929. The next prime is 29378587242959. The reversal of 29378587242945 is 54924278587392.

It is not a de Polignac number, because 29378587242945 - 24 = 29378587242929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142863619 + ... + 143069111.

It is an arithmetic number, because the mean of its divisors is an integer number (745696627200).

Almost surely, 229378587242945 is an apocalyptic number.

It is an amenable number.

29378587242945 is a deficient number, since it is larger than the sum of its proper divisors (18345996897855).

29378587242945 is a wasteful number, since it uses less digits than its factorization.

29378587242945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206190.

The product of its digits is 2438553600, while the sum is 75.

The spelling of 29378587242945 in words is "twenty-nine trillion, three hundred seventy-eight billion, five hundred eighty-seven million, two hundred forty-two thousand, nine hundred forty-five".

Divisors: 1 3 5 15 139 191 359 417 573 695 955 1077 1795 2085 2865 5385 26549 49901 68569 79647 132745 149703 205493 205707 249505 342845 398235 616479 748515 1027465 1028535 3082395 9531091 28563527 28593273 39249163 47655455 73771987 85690581 117747489 142817635 142966365 196245815 221315961 368859935 428452905 588737445 1106579805 5455633657 10254306193 14090449517 16366900971 27278168285 30762918579 42271348551 51271530965 70452247585 81834504855 153814592895 211356742755 1958572482863 5875717448589 9792862414315 29378587242945