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44402402102140 = 22547122338623547
BaseRepresentation
bin10100001100010001111010…
…11001111000101101111100
312211012211100202011111220101
422012020331121320231330
521304442104414232030
6234234103143530444
712231652626351115
oct1206107531705574
9184184322144811
1044402402102140
1113169a53466a15
124b91596759a24
131ba1189574c34
14ad7132a2720c
1552001d40e7ca
hex28623d678b7c

44402402102140 has 48 divisors (see below), whose sum is σ = 95306849068032. Its totient is φ = 17368854142016.

The previous prime is 44402402102083. The next prime is 44402402102161. The reversal of 44402402102140 is 4120120420444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44402402102099 and 44402402102108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18162154 + ... + 20461393.

It is an arithmetic number, because the mean of its divisors is an integer number (1985559355584).

Almost surely, 244402402102140 is an apocalyptic number.

It is an amenable number.

44402402102140 is an abundant number, since it is smaller than the sum of its proper divisors (50904446965892).

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

44402402102140 is a wasteful number, since it uses less digits than its factorization.

44402402102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38624826 (or 38624824 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 44402402102140 its reverse (4120120420444), we get a palindrome (48522522522584).

The spelling of 44402402102140 in words is "forty-four trillion, four hundred two billion, four hundred two million, one hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 1223 2446 4892 6115 12230 24460 57481 114962 229924 287405 574810 1149620 38623547 77247094 154494188 193117735 386235470 772470940 1815306709 3630613418 7261226836 9076533545 18153067090 36306134180 47236597981 94473195962 188946391924 236182989905 472365979810 944731959620 2220120105107 4440240210214 8880480420428 11100600525535 22201201051070 44402402102140