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48488408080 = 2457311278413
BaseRepresentation
bin101101001010001000…
…100110010000010000
311122011020111100022221
4231022020212100100
51243301013024310
634135242510424
73334405445140
oct551210462020
9148136440287
1048488408080
1119622495732
129492805414
13475984c438
1424bda90920
1513dbd0aada
hexb4a226410

48488408080 has 80 divisors (see below), whose sum is σ = 129255369984. Its totient is φ = 16571082240.

The previous prime is 48488408077. The next prime is 48488408081. The reversal of 48488408080 is 8080488484.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×484884080802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48488408081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34954 + ... + 313366.

Almost surely, 248488408080 is an apocalyptic number.

48488408080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48488408080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64627684992).

48488408080 is an abundant number, since it is smaller than the sum of its proper divisors (80766961904).

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

48488408080 is a wasteful number, since it uses less digits than its factorization.

48488408080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278744 (or 278738 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 48488408080 in words is "forty-eight billion, four hundred eighty-eight million, four hundred eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 311 560 622 1244 1555 2177 2488 3110 4354 4976 6220 8708 10885 12440 17416 21770 24880 34832 43540 87080 174160 278413 556826 1113652 1392065 1948891 2227304 2784130 3897782 4454608 5568260 7795564 9744455 11136520 15591128 19488910 22273040 31182256 38977820 77955640 86586443 155911280 173172886 346345772 432932215 606105101 692691544 865864430 1212210202 1385383088 1731728860 2424420404 3030525505 3463457720 4848840808 6061051010 6926915440 9697681616 12122102020 24244204040 48488408080