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147969547870 = 2534742642521
BaseRepresentation
bin1000100111001110101…
…1000001111001011110
3112010221020210212011211
42021303223001321132
54411020201012440
6151550512535034
713455552255514
oct2116353017136
9463836725154
10147969547870
1157831a52441
122481685147a
1310c51a023b1
147239c4a4b4
153cb0703eea
hex2273ac1e5e

147969547870 has 16 divisors (see below), whose sum is σ = 267112757808. Its totient is φ = 59017247680.

The previous prime is 147969547757. The next prime is 147969547907. The reversal of 147969547870 is 78745969741.

It is a junction number, because it is equal to n+sod(n) for n = 147969547796 and 147969547805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21317791 + ... + 21324730.

It is an arithmetic number, because the mean of its divisors is an integer number (16694547363).

Almost surely, 2147969547870 is an apocalyptic number.

147969547870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147969547870 is a deficient number, since it is larger than the sum of its proper divisors (119143209938).

147969547870 is a wasteful number, since it uses less digits than its factorization.

147969547870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42642875.

The product of its (nonzero) digits is 106686720, while the sum is 67.

The spelling of 147969547870 in words is "one hundred forty-seven billion, nine hundred sixty-nine million, five hundred forty-seven thousand, eight hundred seventy".

Divisors: 1 2 5 10 347 694 1735 3470 42642521 85285042 213212605 426425210 14796954787 29593909574 73984773935 147969547870