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37947396434 = 21571117108193
BaseRepresentation
bin100011010101110101…
…110101000101010010
310121221121201110202012
4203111311311011102
51110204013141214
625233252222522
72512241355563
oct432565650522
9117847643665
1037947396434
1115103352662
12743060aa42
133769a4aa3c
141b9db3c16a
15ec16d303e
hex8d5d75152

37947396434 has 16 divisors (see below), whose sum is σ = 57335462808. Its totient is φ = 18835794432.

The previous prime is 37947396407. The next prime is 37947396451. The reversal of 37947396434 is 43469374973.

37947396434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18682789225 + 19264607209 = 136685^2 + 138797^2 .

It is a super-3 number, since 3×379473964343 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 296642 + ... + 404834.

Almost surely, 237947396434 is an apocalyptic number.

37947396434 is a deficient number, since it is larger than the sum of its proper divisors (19388066374).

37947396434 is a wasteful number, since it uses less digits than its factorization.

37947396434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109469.

The product of its digits is 41150592, while the sum is 59.

The spelling of 37947396434 in words is "thirty-seven billion, nine hundred forty-seven million, three hundred ninety-six thousand, four hundred thirty-four".

Divisors: 1 2 157 314 1117 2234 108193 175369 216386 350738 16986301 33972602 120851581 241703162 18973698217 37947396434