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47249601642 = 23313123927947
BaseRepresentation
bin101100000000010010…
…111011010001101010
311111221220110110101000
4230000102323101222
51233231344223032
633412310535430
73261613662435
oct540022732152
9144856413330
1047249601642
1119047194061
1291a7967576
1345bccbb789
14240333c81c
1513681a6e7c
hexb004bb46a

47249601642 has 64 divisors (see below), whose sum is σ = 106247116800. Its totient is φ = 15563686320.

The previous prime is 47249601629. The next prime is 47249601643. The reversal of 47249601642 is 24610694274.

It is not an unprimeable number, because it can be changed into a prime (47249601643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676713 + ... + 1704659.

It is an arithmetic number, because the mean of its divisors is an integer number (1660111200).

Almost surely, 247249601642 is an apocalyptic number.

47249601642 is an abundant number, since it is smaller than the sum of its proper divisors (58997515158).

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

47249601642 is a wasteful number, since it uses less digits than its factorization.

47249601642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28328 (or 28322 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 47249601642 in words is "forty-seven billion, two hundred forty-nine million, six hundred one thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 131 239 262 393 478 717 786 1179 1434 2151 2358 3537 4302 6453 7074 12906 27947 31309 55894 62618 83841 93927 167682 187854 251523 281781 503046 563562 754569 845343 1509138 1690686 3661057 6679333 7322114 10983171 13358666 20037999 21966342 32949513 40075998 60113997 65899026 98848539 120227994 180341991 197697078 360683982 874992623 1749985246 2624977869 5249955738 7874933607 15749867214 23624800821 47249601642